Test the claim that the mean GPA of night students is larger than 2.2 at the 0.01 significance level. The null and alternative hypothesis would be: H0:p≤0.55H0:p≤0.55 H1:p>0.55H1:p>0.55 H0:p=0.55H0:p=0.55 H1:p≠0.55H1:p≠0.55 H0:μ≤2.2H0:μ≤2.2 H1:μ>2.2H1:μ>2.2 H0:μ≥2.2H0:μ≥2.2 H1:μ<2.2H1:μ<2.2 H0:μ=2.2H0:μ=2.2 H1:μ≠2.2H1:μ≠2.2 H0:p≥0.55H0:p≥0.55 H1:p<0.55H1:p<0.55 The test is: left-tailed right-tailed two-tailed Based on a sample of 75 people, the sample mean GPA was 2.22 with a standard deviation of 0.07 The test statistic is: (to 2 decimals) The p-value is: (to 2 decimals) Based on this we: Reject the null hypothesis Fail to reject the null hypothesis

Test the claim that the mean GPA of night students is larger than 2.2 at the 0.01 significance level. The null and alternative hypothesis would be: H0:p≤0.55H0:p≤0.55 H1:p>0.55H1:p>0.55 H0:p=0.55H0:p=0.55 H1:p≠0.55H1:p≠0.55 H0:μ≤2.2H0:μ≤2.2 H1:μ>2.2H1:μ>2.2 H0:μ≥2.2H0:μ≥2.2 H1:μ<2.2H1:μ<2.2 H0:μ=2.2H0:μ=2.2 H1:μ≠2.2H1:μ≠2.2 H0:p≥0.55H0:p≥0.55 H1:p<0.55H1:p<0.55 The test is: left-tailed right-tailed two-tailed Based on a sample of 75 people, the sample mean GPA was 2.22 with a standard deviation of 0.07 The test statistic is: (to 2 decimals) The p-value is: (to 2 decimals) Based on this we: Reject the null hypothesis Fail to reject the null hypothesis

College Algebra

1st Edition

ISBN:9781938168383

Author:Jay Abramson

Publisher:Jay Abramson

Chapter9: Sequences, Probability And Counting Theory

Section9.7: Probability

Problem 1SE: What term is used to express the likelihood of an event occurring? Are there restrictions on its...

See similar textbooks