Based on a sample of 40 people, the sample mean GPA was 2.15 with a standard deviation of 0.04 The test statistic is: (to 2 decimals) The p-value is: (to 2 decimals) Based on this we:
Based on a sample of 40 people, the sample mean GPA was 2.15 with a standard deviation of 0.04 The test statistic is: (to 2 decimals) The p-value is: (to 2 decimals) Based on this we:
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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Transcribed Image Text:Test the claim that the mean GPA of night students is smaller than 2.2 at the 0.01 significance level.
The null and alternative hypothesis would be:
Ho: µ = 2.2 Ho:µ > 2.2 Ho:p > 0.55 Ho:p = 0.55 Ho:p<0.55 Ho:µ < 2.2
H1: µ + 2.2 H:H < 2.2 H1:p < 0.55 H1:p 0.55 H1:p> 0.55 H1:µ > 2.2
The test is:
left-tailed right-tailed two-tailed
Based on a sample of 40 people, the sample mean GPA was 2.15 with a standard deviation of 0.04
The test statistic is:
(to 2 decimals)
The p-value is:
(to 2 decimals)
Based on this we:
O Reject the null hypothesis
O Fail to reject the null hypothesis
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