9 4 2 Test a hypothesis about a proportion using the

Last updated: 4/26/2023

9 4 2 Test a hypothesis about a proportion using the critical value method 28 7 points A nationwide survey of working adults indicates that only 45 of them are satisfied with their jobs The president of a large company believes that more than 45 of employees at his company are satisfied He surveys a random sample of 111 employees and 45 of them report that they are satisfied with their jobs Can he conclude that more than 45 of employees at the company are satisfied with their jobs Use the a 0 05 level of significance Hint o o Z p Po Po 1 P n Statistic If z 2 za we reject Ho