Testing:
H0:p=0.89\displaystyle {H}_{{0}}:{p}={0.89}H0:p=0.89 Hα:p<0.89\displaystyle {H}_{\alpha}:{p}<{0.89}Hα:p<0.89
Your sample consists of 72 subjects, with 62 successes. Calculate the test statistic
\displaystyle z=\displaystyle {z}=z= Rounded to 2 decimal places.
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