20 of all college students volunteer their time Is the percentage of college students who are volunteers different for students receiving financial aid Of the 318 randomly selected students who receive financial aid 76 of them volunteered their time What can be concluded at the 0 05 level of significance Use the p value approach a For this study we should use z test for a population proportion b The null and alternative hypotheses would be Ho pv H pv c The test statistic z d The p value 0 20 0 20 please enter a decimal Please enter a decimal Please round your answer to 2 decimal places Please round your answer to 2 decimal places