Among 30,617 randomly selected individuals, 5787 consumed wild plants within the last year. Test the claim that fewer than 20% of adults consumed wild plants within the last year with a significance level of ? = 0.01. (Classic Approach)

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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I have a few questions:

1) Among 30,617 randomly selected individuals, 5787 consumed wild plants within the last year. Test the
claim that fewer than 20% of adults consumed wild plants within the last year with a significance level
of ? = 0.01. (Classic Approach)

2) A sample of 100 women had a mean pulse rate of 74.4 bpm with a standard deviation of 11.7. Use ? =
0.05 to test the hypothesis that the mean pulse rate for women is greater than 74. (P-value approach)

3) In a random sample of 1488 bachelor’s degree seeking college students, 804 earned their bachelor’s
degree in 5 years. Test the claim that most college students earn bachelor’s degrees within 5 years.
(What is an appropriate ??)

 

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