Test the claim that the mean GPA of night students is smaller than 2.1 at the .025 significance level. The null and alternative hypothesis would be: Ho: p= 0.525 Ho: = 2.1 Ho: = 2.1 Ho:p = 0.525 Ho: p = 0.525 Ho: = 2.1 H₁: p0.525 H₁: 2.1 H₁: > 2.1 H₁:p> 0.525 H₁:p < 0.525 H₁: <2.1 O The test is: two-tailed left-tailed right-tailed The test statistic is: Based on a sample of 55 people, the sample mean GPA was 2.07 with a standard deviation of 0.05 (to 2 decimals) The critical value is: Based on this we: O O Fail to reject the null hypothesis Reject the null hypothesis O (to 2 decimals)

Test the claim that the mean GPA of night students is smaller than 2.6 at the 0.01 significance level.The null and alternative hypotheses would be: H0:p=0.65H1:p<0.65 H0:p=0.65H1:p>0.65 H0:p=0.65H1:p≠0.65 H0:μ=2.6H1:μ≠2.6 H0:μ=2.6H1:μ<2.6 H0:μ=2.6H1:μ>2.6 Based on a sample of 33 people, the sample mean GPA was 2.59 with a standard deviation of 0.2The p-value is:  (to 3 decimals)The significance level is:  (to 2 decimals)

Test the claim that the mean GPA of night students is significantly different than 3.1 at the 0.1 significance level.The null and alternative hypothesis would be:   H0:p=0.775H1:p≠0.775 H0:μ≤3.1H1:μ>3.1 H0:μ≥3.1H1:μ<3.1 H0:μ=3.1H1:μ≠3.1 H0:p≥0.775H1:p<0.775 H0:p≤0.775H1:p>0.775 The test is:   two-tailed left-tailed right-tailed Based on a sample of 65 people, the sample mean GPA was 3.07 with a standard deviation of 0.07The test statistic is: ? (to 2 decimals)The p-value is: ?  (to 2 decimals)Based on this we: Fail to reject the null hypothesis Reject the null hypothesis

Test the claim that the mean GPA of night students is smaller than 2.2 at the .05 significance level. The null and alternative hypothesis would be? H0:μ=2.2H0:μ=2.2H1:μ>2.2H1:μ>2.2   H0:μ=2.2H0:μ=2.2H1:μ≠2.2H1:μ≠2.2   H0:p=0.55H0:p=0.55H1:p≠0.55H1:p≠0.55   H0:μ=2.2H0:μ=2.2H1:μ<2.2H1:μ<2.2   H0:p=0.55H0:p=0.55H1:p>0.55H1:p>0.55   H0:p=0.55H0:p=0.55H1:p<0.55H1:p<0.55 Based on a sample of 60 people, the sample mean GPA was 2.19 with a standard deviation of 0.06The test statistic is:  (to 2 decimals)The critical value is:  (to 2 decimals)

Test the claim that the mean GPA of night students is significantly different than 2.3 at the 0.1 significance level.The null and alternative hypothesis would be: H0:μ=2.3H0:μ=2.3H1:μ>2.3H1:μ>2.3 H0:μ=2.3H0:μ=2.3H1:μ<2.3H1:μ<2.3 H0:p=0.575H0:p=0.575H1:p<0.575H1:p<0.575 H0:p=0.575H0:p=0.575H1:p>0.575H1:p>0.575 H0:p=0.575H0:p=0.575H1:p≠0.575H1:p≠0.575 H0:μ=2.3H0:μ=2.3H1:μ≠2.3H1:μ≠2.3 The test is: left-tailed two-tailed right-tailed Based on a sample of 50 people, the sample mean GPA was 2.34 with a standard deviation of 0.07The test statistic is:  (to 2 decimals)The positive critical value is:  (to 2 decimals)Based on this we: Reject the null hypothesis Fail to reject the null hypothesis

Test the claim that the proportion of people who own cats is significantly different than 40% at the 0.05 significance level.The null and alternative hypothesis would be:   H0:μ≤0.4H0:μ≤0.4H1:μ>0.4H1:μ>0.4 H0:μ≥0.4H0:μ≥0.4H1:μ<0.4H1:μ<0.4 H0:μ=0.4H0:μ=0.4H1:μ≠0.4H1:μ≠0.4 H0:p≥0.4H0:p≥0.4H1:p<0.4H1:p<0.4 H0:p=0.4H0:p=0.4H1:p≠0.4H1:p≠0.4 H0:p≤0.4H0:p≤0.4H1:p>0.4H1:p>0.4 The test is:   two-tailed left-tailed right-tailed Based on a sample of 600 people, 32% owned catsThe 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 proportion of men who own cats is significantly different than 20% at the 0.2 significance level. The null and alternative hypothesis would be: Ho:p = 0.2 H1:p 0.2 Ho:µ = 0.2 Η :μ > 0.2 Ho:p = 0.2 H1:p + 0.2 Ho: µ = 0.2 Η : μ< 0.2 Based on a sample of 65 people, 18% owned cats The test statistic is The positive critical value is Based on this we Reject the null hypothesis Fail to reject the null hypothesis