SOLUTION: 349 people were asked if they were satisfied with their jobs. 34% said they were. H0: p = 0.42. a. -0.162 b. -3.028 c. 2.612 d. 4.125

Algebra ->  Probability-and-statistics -> SOLUTION: 349 people were asked if they were satisfied with their jobs. 34% said they were. H0: p = 0.42. a. -0.162 b. -3.028 c. 2.612 d. 4.125      Log On


   



Question 1116067: 349 people were asked if they were satisfied with their jobs. 34% said they were. H0: p = 0.42.
a. -0.162
b. -3.028
c. 2.612
d. 4.125

Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
Ha is p NE 0.42
alpha assumed to be 0.05 P(reject Ho|Ho true)
Test stat is p=(phat-p)/sqrt((p*(1-p)/n), p is 0.42, the Ho p
=-0.08/0.0264
=-3.028
I think the choices want the z value, and it is B.