Test the daim that the mean GPA of night students is significantly different than 2.3 at the 0.2 significance level. The null and alternative hypothesis would be: Ho:p = 2.3 Ho:p = 2.3 Ho:p = 2.3 Ho:p = 0.575 Ho:p = 0.575 Ho:p = 0.575 Hi:u > 2.3 Hi:p / 2.3 Hi:p 0.575 Hi:p / 0.575 O O O O O The test is: right-tailed left-tailed two-tailed Based on a sample of 80 people, the sample mean GPA was 2.27 with a standard deviation of 0.08 The test statistic is: (to 2 decimals) The positive critical value is: (to 2 decimals) Based on this we: O Fail to reject the null hypothesis O Reject the null hypothesis