According to a recent report,46%of college student internships are unpaid. A recent survey of80college interns at a local university found that51had unpaid internships. a. Use the five-step p-value approach to hypothesis testing and a0.01level of significance to determine whether the proportion of college interns that had unpaid internships is different from0.46.b. Assume that the study found that42of the80college interns had unpaid internships and repeat (a). Are the conclusions the same?a. Letπbe the population proportion. Determine the null hypothesis,H0,and the alternative hypothesis,H1. H0:π less than<greater than>less than or equals≤equals=greater than or equals≥not equals≠nothing H1:π greater than>less than or equals≤equals=not equals≠less than<greater than or equals≥nothing(Type integers or decimals. Do not round.)What is the test statistic? ZSTAT=(Round to two decimal places as needed.)What is the p-value? The p-value is (Round to three decimal places as needed.)

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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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According to a recent report,

46%

of college student internships are unpaid. A recent survey of

college interns at a local university found that

had unpaid internships.

a. Use the five-step p-value approach to hypothesis testing and a

0.01

level of significance to determine whether the proportion of college interns that had unpaid internships is different from

0.46.

b. Assume that the study found that

of the

college interns had unpaid internships and repeat (a). Are the conclusions the same?

a. Let

be the population proportion. Determine the null hypothesis,

H0,

and the alternative hypothesis,

H1.

H0:

less than<

greater than>

less than or equals≤

equals=

greater than or equals≥

not equals≠

nothing

H1:

greater than>

less than or equals≤

equals=

not equals≠

less than<

greater than or equals≥

nothing

(Type integers or decimals. Do not round.)

What is the test statistic?

ZSTAT=

(Round to two decimal places as needed.)

What is the p-value?

The p-value is

(Round to three decimal places as needed.)

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