SOLUTION: Testing: H0:p=0.9 H1:p<0.9 Your sample consists of 106 subjects, with 92 successes. Calculate the test statistic, rounded to 2 decimal places z=

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Question 1088975: Testing:
H0:p=0.9
H1:p<0.9
Your sample consists of 106 subjects, with 92 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!
z=(p hat -0.9)/sqrt (0.9*0.1/106); sqrt term is 0.029
z=-0.032/0.029=-1.10