I need help pls.. please help me to answer them all correctly for an upvote and positive ratings, thank you so much:)

plsss help meee. im having a hard time answering this module plsss help

NOTE: There is no references in my module maam/sir. so pls do understand. thank you

Activity 5. What do you think? = evilspon s flow ampion ling and a" sell balletfiel Answer the following questions based on what you have learned in the discussion. 1. When is it appropriate to use z-test and t-test in testing a hypothesis about a population mean? 2. In what ways are the distributions of z-statistic and t-statistic alike? How do they differ?ACTIVITY SHEET 3 A: Complete the following statements. 1. is a point on the test distribution that' Is compared to the test statistic to delennine whether to reject or accept the null hypothesis. 2. The most used levels of signicance are , _ , and 3. . also known as the critical region. describes the entire area of values that indicates you reject the null hypothesis. ' 4 To determine the criticat region if population variance is known, use table for distribution while if the variance is unknown, use table for distributlon. 5. When the given hypothesis test is a two-tailed test. then the rejection regions are " tails of the distribution