Find: Null/Alternative Hypothesis Test Statistic P-Value Conclusion Thank you!
College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.7: Probability
Problem 62E: Is it possible that P(AB)=P(A)? Explain.
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Question
Find:
Null/Alternative Hypothesis
Test Statistic
P-Value
Conclusion
Thank you!
Transcribed Image Text:Data show that men between the ages of 20 and 29 in a general population have a mean height of 69.3 inches, with a standard deviation of 2.5 inches. A baseball
analyst wonders whether the standard deviation of heights of major-league baseball players is less than 2.5 inches. The heights (in inches) of 20 randomly selected
players are shown in the table,
E Click the icon to view the data table.
Test the notion at the a = 0.01 level of significance.
What are the correct hypotheses for this test?
The null hypothesis is Ho
V 2.5.
The alternative hypothesis is H,
V2.5.
Transcribed Image Text:a table
el o
Data Table
for
72 74 71 71 76
70 | 77 76 72|72
77 71 75 70 73
74 75 73 74 74
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