Consider the following two questions designed to assess quantitative literacy.What is 15% of 1000?A store is offering a 15% off sale on all TVs. The most popular television is normally priced at $1000. How much money would a customer save on the television during this sale?Suppose the first question is asked of 200 randomly selected college students, with 166 answering correctly; the second one is asked of a different random sample of 200 college students, resulting in 141 correct responses. Carry out a test of hypotheses at significance level 0.05 to decide if the true proportion of correct responses to the question without context exceeds that for the one with context. (Use p1 for the true proportion students who answered the question without context correctly and p2 for the true proportion of students who answered the question with context correctly.) State the relevant hypotheses.H0: p1 − p2 < 0Ha: p1 − p2 = 0H0: p1 − p2 = 0Ha: p1 − p2 > 0 H0: p1 − p2 = 0Ha: p1 − p2 ≠ 0H0: p1 − p2 > 0Ha: p1 − p2 = 0H0: p1 − p2 = 0Ha: p1 − p2 < 0Calculate the test statistic and P-value. (Round your test statistic to two decimal places and your P-value to four decimal places.)z= P-value= State the conclusion in the problem context.Fail to reject H0. The data suggests the true proportion of correct answers to the context-free question is higher than the proportion of right answers to the contextual one.Fail to reject H0. The data does not suggest that the true proportion of correct answers to the context-free question is higher than the proportion of right answers to the contextual one. Reject H0. The data suggests that the true proportion of correct answers to the context-free question is higher than the proportion of right answers to the contextual one.Reject H0. The data does not suggest the true proportion of correct answers to the context-free question is higher than the proportion of right answers to the contextual one.

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Answered: Calculate the test statistic and…

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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Consider the following two questions designed to assess quantitative literacy.

What is 15% of 1000?
A store is offering a 15% off sale on all TVs. The most popular television is normally priced at $1000. How much money would a customer save on the television during this sale?

Suppose the first question is asked of 200 randomly selected college students, with 166 answering correctly; the second one is asked of a different random sample of 200 college students, resulting in 141 correct responses. Carry out a test of hypotheses at significance level 0.05 to decide if the true proportion of correct responses to the question without context exceeds that for the one with context. (Use p₁ for the true proportion students who answered the question without context correctly and p₂ for the true proportion of students who answered the question with context correctly.)

State the relevant hypotheses.

H₀: p₁ − p₂ < 0
H_a: p₁ − p₂ = 0H₀: p₁ − p₂ = 0
H_a: p₁ − p₂ > 0 H₀: p₁ − p₂ = 0
H_a: p₁ − p₂ ≠ 0H₀: p₁ − p₂ > 0
H_a: p₁ − p₂ = 0H₀: p₁ − p₂ = 0
H_a: p₁ − p₂ < 0

Calculate the test statistic and P-value. (Round your test statistic to two decimal places and your P-value to four decimal places.)

z= P-value=

State the conclusion in the problem context.

Fail to reject H₀. The data suggests the true proportion of correct answers to the context-free question is higher than the proportion of right answers to the contextual one.Fail to reject H₀. The data does not suggest that the true proportion of correct answers to the context-free question is higher than the proportion of right answers to the contextual one. Reject H₀. The data suggests that the true proportion of correct answers to the context-free question is higher than the proportion of right answers to the contextual one.Reject H₀. The data does not suggest the true proportion of correct answers to the context-free question is higher than the proportion of right answers to the contextual one.

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