Select the two recommendations that would decrease the margin of error of the interval.

Answers

Answer 1

From the options given, the only option which would result on having a reduced error margin, is to increase the sample size.

Recall :

Margin of Error = Zcritical × σ/√n

Increasing the mean would have no impact on the margin of error as it is not a part of the factors which affects the margin of error value.

Increasing the standard deviation, which is the Numerator will result in an increased margin of error value.

By raising the confidence level, the critical value of Z will increase, hence widening the margin of error.

The sample size, n being the denominator, would reduce the value of error margin.

Hence, only the sample size will cause a decrease in the margin of error of the interval.

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Select The Two Recommendations That Would Decrease The Margin Of Error Of The Interval.

Related Questions

What is "four times the sum of x and y" in a mathematical phrase?.

Answers

Answer:

4(x + y)

Explanation:

Have a nice day

Which group of people was one o fthe first to spread hte idea of worshipping only one god?.

Answers

Answer:

The first people to express the idea that there is only one God were the Jews, and then later on Christians (because Jesus Christ brought Christianity.)

Explanation:

I hope this helps! :D

Which of the following gases in the atmosphere is not considered a main contributor to the greenhouse effect?.

Answers

Answer: Oxygen (I don’t see the options)

Explanation: A greenhouse gas is a gas that produces heat as it builds up in the atmosphere. It also becomes trapped in the atmosphere, so it cannot escape the inner layers of Earth's atmosphere. As a result, these gases cause pollution because they dirty up the atmosphere.

Carbon dioxide is a main greenhouse gas, found in car exhaust pipes.
Methane and nitrous oxide is another type of greenhouse gas.

*Oxygen is the only clean gas out there because we need it to survive. Therefore, the only gas that is not a greenhouse gas*

Which of the following describes a consumer installment loan?.

Answers

Answer:  hums 202 Which of the following describes a consumer installment loan? A. A loan you get based on the tax refund that you expect to receive. B. A loan that is repaid in equal monthly payments for a specific period of time, usually several years. C. A loan where you have to promise to give the bank your assets if you do not repay the loan. D. A loan for consumer goods where you own the item(s) at the end of the payment period.

Explanation: all you have to do is search up the answer to this on brainly

Do you think counselors are trustworthy.

Answers

Answer:

Yes.

Explanation:

I feel like they are because of the simple fact they cannot share your information, or anything you have said, with anyone because of confidentiality. The only way they can share anything is if you are going to hurt yourself or others, or if you give them verbal or written permission to do so.

apparition
enchanted
ghost
ghostly
ghoulish
goblin
haunted house
haunting

Answers

Halloween is my favorite holiday too

How did she get from the stage to the balcony crossword.

Answers

Answer:

she used stairs

Explanation:

It should be noted that the word that fits the scenario is stairs.

A crossword clue simply means a hint that is given to a  player of a crossword puzzle where the person has to find the missing pieces of the game.

The question is simply about how she got from the stage to the balcony crossword. Therefore, the correct option will be stairs which is six letters.

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To what extent do covalent compounds conduct electricity?.

Answers

Answer:

A covalent bond is formed between non metal atoms, which combine together by sharing electrons. Covalent compounds have no free electrons and no ions so they don't conduct electricity

Explanation:

Answer:

the answer is never

Explanation:

i did the test :)

An entrepreneur is considering the purchase of a coin-operated laundry. The current owner claims that over the past 5 years, the mean daily revenue was $6750 with a population standard deviation of $265. A sample of randomly selected 30 days reveals a daily mean revenue of $6280. If you were to test the null hypothesis that the daily mean revenue was $6750, which test would you use?.

Answers

Based on the given value of sample size and the population standard deviation, the required test for the null hypothesis is the Z test of population mean.

The Z test of population is used to test the null hypothesis of a Normal distribution.

Since, the sample size is large (>30) and the variance of the population is known, the most appropriate test of hypothesis to use is the Z test of population mean.

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In the cycle shown is mantle made of silicate rocks why.

Answers

Answer:

The rocks that make up Earth's mantle are mostly silicates—a wide variety of compounds that share a silicon and oxygen structure. Common silicates found in the mantle include olivine, garnet, and pyroxene.

Explanation:

What is the vertex form of the equation? y = – x 2 + 12 x – 4.

Answers

Answer:

(6,32)

Explanation:

Determine the minimum mass of hydrogen gas required to produce 226 kj of heat.

Answers

By definition, the minimum mass of hydrogen gas required to produce 226 kJ of heat is 1.8697 grams.

The reaction is as follows:

2 H₂(g) + O₂(g) → 2 H₂O(g)     ΔH = - 483.5 kJ

In this reaction, you can see that 2 moles of H₂ produces 483.5 kJ of heat. But you want to release 226 kJ of heat.

So you can apply the following rule of three: if 483.5 kJ is released by 2 moles of H₂, 226 kJ of heat is released by when moles of H₂?

[tex]amount of moles of H_{2} =\frac{226 kJx2 moles }{483.5 kJ}[/tex]

amount of moles of H₂= 0.93485 moles

Molar mass is the amount of mass that a substance contains in one mole. In this case, the molar mass of H₂ is 2 [tex]\frac{g}{mole}[/tex].

So, the mass containing 0.93485 moles is calculated as:

0.93485 moles× 2 [tex]\frac{g}{mole}[/tex]= 1.8697 grams

Finally, the minimum mass of hydrogen gas required to produce 226 kJ of heat is 1.8697 grams.

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Which best describes an electron cloud.

Answers

The electron cloud is the area where electrons are usually found. Discover more about electron clouds through the complete definition, model, and the theory that explains electrons movement around atoms.

I hope this helps! Have an amazing day! :)

An archer fish spies a meal of a grasshopper slader.

Answers

Answer:

sitting on a long slader of grass at the edge of the pond in which he is swimming.

Explanation:

sitting on a long stalk of grass at the edge of the pond in which he is swimming. If the fish is to bite him

Which comparison between events in the passage would best support a claim that a significant theme of the passage is fulfillment?.

Answers

The comparison that illustrates the theme is Theodora's isolation from her family and her reading of the publisher's response regarding her manuscript.

The theme of a story simply means the central idea that's conveyed in a story. It illustrates what the author wants the readers to know in the story.

The comparison between events in the passage support a claim that a significant theme of the passage is fulfillment. This was illustrated as Theodora's isolation from her family and her reading of the publisher's response regarding her manuscript.

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As a result of mitosis, each of the two new cells produced from the parent cell during cytokinesis.

Answers

Answer and Explanation: As a result of mitosis, each of the two new cells produced from the original cell during cytokinesis have the same chromosomal constitution as the parental nucleus. Cytokinesis is the actual division of the cytoplasm that results in two daughter cells that are diploid. Mitosis is a type of division that occurs during growth in somatic cells through replication of chromosomes and their subsequent redistribution.

My mom/suggested/keep the surroundings/clean and green.

Answers

Considering the incomplete sentence in the question, to make the sentence complete, we have "My mom suggested to keep the surroundings clean and green."

The word "to" is a preposition. It is used to express a situation approaching a specific condition.

Here, the preposition "to" is used to describe the condition in which the surroundings must reach.

The word "to" can also serve as an adverb or incentive marker.

Hence, in this case, it is concluded that the complete and correct sentence is "My mom suggested to keep the surroundings clean and green."

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What is a polynomial function in standard form with zeros 1 –1 2 and 4.

Answers

The polynomial function obtained from the Zeros given, written in standard form is x⁴ - 6x³ + 7x² + 6x - 8

Hope it helps!

Answer:

x⁴ - 6x³ + 7x² + 6x - 8

Explanation:

Write the linear factor for each zero.

[tex]g(x) = (x - 1) (x + 1) (x - 2) (x - 4)[/tex]

Multiply the first two, then the second two.

[tex]g(x) = (x^{2} + x - x -1) = (x^{2} - 1) then (x^{2} - 4x - 2x + 8)[/tex]

Use the Distributive Property.

[tex](x^{2} - 1) (x^{2} - 6x + 8) = (x^{4} - 6x^3 + 8x^{2} - x^{2} + 6x - 8)[/tex]

Simplify.

[tex]x^{4} - 6x^{3} + 7x^{2} + 6x - 8[/tex]

How many positive integers are there between 100 and 999.

Answers

Answer:

be the positive integers between 100 and 999 inclusive. contains 900 integers, while we are interested in integers divisible by 7. Thus 128 integers are divisible by 7.

Explanation:

hope this helps

Answer:

Let be the set of positive integers between 100 and 999. The set contains 900 integers, and the integers are divisible by 7. By division rule, where is the finite set with union of pairwise disjoint subsets with elements.

Explanation:

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In the diagram, ce=12 units and be=5 units. Based on the given information, what is ae? 2 units 7 units 12 units 17 units.

Answers

Answer:

C. 12 units.

Right on edge

In the diagram, ce=12 units and be=5 units. Based on the given information. So, the answer will be 7 units. Thus, option B is correct.

What is mean by Triangle?

A triangle is a three sided polygon, which has three vertices and three angles which has the sum 180 degrees.

Given that;

In the diagram,

⇒ CE = 12 units

⇒ BE = 5 units

Now,

Since, Triangle CBE is an right triangle.

And, We have;

⇒ CB = AB

⇒ ∠DBC = 90°

⇒ ∠ABE  = ∠DBC = 90° (opposite angles formed by the intersection of  AC and DE.)

As, ∠CBE and  ∠ABE are supplementary angles and form a straight line.

So, We get;

⇒ ∠CBE + ∠ABE =180°

⇒∠CBE =  180° - ∠ABE  

           = 180°- 90°

           = 90°

And, Between triangle ΔCBE  & ΔABE;

⇒ ∠CBE = ∠ABE = 90°

⇒ CB = AB (given)

⇒ BE = BE  (common side)

Hence, The triangles Δ CBE  & ΔABE are congruent.

⇒ Δ CBE  ≅ ΔABE( by S-A-S Congruency)

⇒ CE = AE ( as triangle Δ CBE  & ΔABE are congruent then the sides are same.)

⇒  AE = 12 units

Thus, The length of AE = 12 units

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Which list of symbols represents nonmetals, only?.

Answers

Answer:

100 points branly salamat

A significant factor in the exponential population growth over the past two centuries is:.

Answers

A significant factor in the exponential population growth over the past two centuries is; good sanitation and medical advances.

In exponential growth, the rate of the growth in population usually increases over time and this is usually directly proportional to the size of the population.

Now, this rate discussed above usually causes the population to increase much more faster.

We can say that good sanitation and medical advances will contribute to the exponential growth of the human population due to the fact that when an environment is clean, it will prevent the accumulation of dirt and infectious particles to accumulate inside the body which means less contraction of deadly diseases.

Secondly, medical advances have helped in curing of deadly diseases that cause more deaths and this means the death rate will decrease and population will increase.

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Which of the following best describes the uses of private land?.

Answers

Private property is a legal designation for the ownership of property by non-governmental legal entities.Private property is distinguishable from public property, which is owned by a state entity, and from collective or cooperative property, which is owned by a group of non-governmental entities. The distinction between private and personal property varies depending on political philosophy, with socialist perspectives making a hard distinction between the two,while others blend the two together.[better source needed] As a legal concept, private property is defined and enforced by a country's political system.

You get lost in extremely cold weather. You are unable to start a fire. Which of the following is the best way to survive?.

Answers

Answer:

go back in time and dont go anywhere cold

Explanation:

During the revolutionary war, how did the british convince slaves to run away from their owners and help the british war effort?.

Answers

Offered freedom hope this helps

Answer:

offered freedom

Explanation:

took the test

Which of the following is a difference between phase 1 and phase 2 of meiosis.

Answers

ok done. thank to me :>

Samson opened a bank account with 1. 25% simple interest. The total amount of interest samson will earn after 20 years is $812. 50. How much did samson deposit when he opened the account?.

Answers

He deposited, $3250 when he opened the account

Which one of the following reactions would produce the largest amount of heat per mole of hydrogen?.

Answers

Answer:

your answer link in photo

What is the acceleration of a 32 kg object if a 6. 75 n force is applied to it? 0. 21 m/s2 4. 74 m/s2 21. 09 m/s2 216. 00 m/s2.

Answers

The acceleration of the object is 4.74 m/s²

From the question given above, the following data were obtained:

Mass (m) = 32 Kg

Force (F) = 6.75 N

Acceleration (a) =?

The acceleration of the object can be obtained as follow:

[tex]a = \frac{f}{m} \\ \\ a \: = \frac{32}{6.75} \\ \\ [/tex]

a = 4.74 m/s²

Therefore, the acceleration of the object is 4.74 m/s²

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Points b c and d lie on a straight line.

Answers

Answer:

Explanation:

continuation?

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