Suppose that Fred, a United States politician from a large western state, wants to create a new law that would require children under the age of 16 to be accompanied by an adult at all times in public places. Based on previous voting records, Fred believes that he could gain the support of 2525% of likely voters. To test his hypothesis, Fred conducts a random survey of 12001200 likely voters and asks if they would support his proposition. Let ?X denote the number of likely voters in Fred's sample that pledge their support, assuming that Fred's belief that 25%25% of likely voters would support his proposal. Which of the following statements are true about the sampling distribution of ?X? -The sampling distribution of ?X is approximately binomial with ?=1200n=1200 and ?=0.25p=0.25. -The sampling distribution of ?X is exactly normal with ?=0.5μ=0.5 and ?=0.0125σ=0.0125. -The sampling distribution of ?X is exactly binomial with ?=1200n=1200 and ?=0.25p=0.25. -The sampling distribution of ?X is approximately normal with ?=0.5μ=0.5 and ?=0.0125σ=0.0125. -The sampling distribution of ?X is approximately normal with ?=300μ=300 and ?=15σ=15. -The sampling distribution of ?X is exactly normal with ?=300μ=300 and ?=15σ=15.

Name: Suppose that Fred, a United States politician from a large western sta
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Description: Suppose that Fred, a United States politician from a large western state, wants to create a new law that would require children under the age of 16 to be accompanied by an adult at all times in public places. Based on previous voting records, Fred be

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Suppose that Fred, a United States politician from a large western state, wants to create a new law that would require children under the age of 16 to be accompanied by an adult at all times in public places. Based on previous voting records, Fred believes that he could gain the support of 2525% of likely voters. To test his hypothesis, Fred conducts a random survey of 12001200 likely voters and asks if they would support his proposition. Let ?X denote the number of likely voters in Fred's sample that pledge their support, assuming that Fred's belief that 25%25% of likely voters would support his proposal.

Which of the following statements are true about the sampling distribution of ?X?

-The sampling distribution of ?X is approximately binomial with ?=1200n=1200 and ?=0.25p=0.25.

-The sampling distribution of ?X is exactly normal with ?=0.5μ=0.5 and ?=0.0125σ=0.0125.

-The sampling distribution of ?X is exactly binomial with ?=1200n=1200 and ?=0.25p=0.25.

-The sampling distribution of ?X is approximately normal with ?=0.5μ=0.5 and ?=0.0125σ=0.0125.

-The sampling distribution of ?X is approximately normal with ?=300μ=300 and ?=15σ=15.

-The sampling distribution of ?X is exactly normal with ?=300μ=300 and ?=15σ=15.

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