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Test the claim that the mean GPA of night students is significantly different than 2.4 at...

Test the claim that the mean GPA of night students is significantly different than 2.4 at the 0.2 significance level. The null and alternative hypothesis would be: H 0 : p = 0.6 H 1 : p > 0.6 H 0 : p = 0.6 H 1 : p < 0.6 H 0 : μ = 2.4 H 1 : μ < 2.4 H 0 : μ = 2.4 H 1 : μ ≠ 2.4 H 0 : μ = 2.4 H 1 : μ > 2.4 H 0 : p = 0.6 H 1 : p ≠ 0.6 The test is: left-tailed right-tailed two-tailed Based on a sample of 55 people, the sample mean GPA was 2.39 with a standard deviation of 0.06 The test statistic is (to 3 decimals) The positive critical value is (to 3 decimals) Based on this we fail to reject the null hypothesis reject the null hypothesis

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