Answered: According to a recent report, 46% of…

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section11.4: Collecting Data

Problem 3E

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According to a recent report, 46% of college student internships are unpaid. A recent survey of 120 college interns at a local university found that 64 had unpaid internships.

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

0.05 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 70 of the 120 college interns had unpaid internships and repeat (a). Are the conclusions the same?

Let π be the population proportion. Determine the null hypothesis, H0, and the alternative hypothesis, H1.

H0:

H1:

T-Stat=___

p-value=____

Whats the final conclusion?

__A__ the null hypothesis. There __B__ sufficient evidence that the proportion of college interns that had unpaid internships is __C__ 0.46 because the p-value is __D__ the level of significance.

A: Reject or do not reject

B: is not or is

C: Different from, greater than or less than

D: greater than or less than

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