In a survey of 1120 new college graduates, 281 had a professional job on graduation day. 1. one year ago the proportion of graduates with a professional job on graduation day was .24 or 24%. The setup of the null and alternative hypotheses to test whether there is sufficient evidence to conclude that the proportion of graduates with a professional job is higher now than it was one year ago is: a) Ho : p = .24 vs. H1 : p < .24 b) Ho : p = .24 vs. H1 : p not .24 c) Ho : p = .24 vs. H1 : p > .24 d) Ho : p = .25 vs. H1 : p < .25 e) Ho : p = .25 vs. H1 : p > .24 2. The value of the test statistic is: a) 2.109 b) 0.011 c) 0.841 d) 28.141 e) 0.854

In a survey of 1120 new college graduates, 281 had a professional job on graduation day. 1. one year ago the proportion of graduates with a professional job on graduation day was .24 or 24%. The setup of the null and alternative hypotheses to test whether there is sufficient evidence to conclude that the proportion of graduates with a professional job is higher now than it was one year ago is: a) Ho : p = .24 vs. H1 : p < .24 b) Ho : p = .24 vs. H1 : p not .24 c) Ho : p = .24 vs. H1 : p > .24 d) Ho : p = .25 vs. H1 : p < .25 e) Ho : p = .25 vs. H1 : p > .24 2. The value of the test statistic is: a) 2.109 b) 0.011 c) 0.841 d) 28.141 e) 0.854

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section: Chapter Questions

Problem 8CR

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Question

In a survey of 1120 new college graduates, 281 had a professional job on graduation day.

1. one year ago the proportion of graduates with a professional job on graduation day was .24 or 24%. The setup of the null and alternative hypotheses to test whether there is sufficient evidence to conclude that the proportion of graduates with a professional job is higher now than it was one year ago is:

a) Ho : p = .24 vs. H1 : p < .24

b) Ho : p = .24 vs. H1 : p not .24

c) Ho : p = .24 vs. H1 : p > .24

d) Ho : p = .25 vs. H1 : p < .25

e) Ho : p = .25 vs. H1 : p > .24

2. The value of the test statistic is:

a) 2.109

b) 0.011

c) 0.841

d) 28.141

e) 0.854

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