SOLUTION: Testing: H0:p=0.34 H1:p ≠ 0.34 Your sample consists of 139 subjects, with 42 successes. Calculate the test statistic, rounded to 2 decimal places z=

Algebra ->  Probability-and-statistics -> SOLUTION: Testing: H0:p=0.34 H1:p ≠ 0.34 Your sample consists of 139 subjects, with 42 successes. Calculate the test statistic, rounded to 2 decimal places z=      Log On


   



Question 1147802: Testing:
H0:p=0.34
H1:p ≠ 0.34

Your sample consists of 139 subjects, with 42 successes. Calculate the test statistic, rounded to 2 decimal places
z=

Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
p hat is 42/139 or 0.30. Don't round
the test statistic is z=(0.30-0.34)/sqrt(0.34*0.66/139)
this is z=-0.94, rounding at end.