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The bold is what I need help with.

/in /by

The bold is what I need help with. Null hypothesis H0: π ≤ 0.50 (is not an expert)
Alternative hypothesis HA: Write HA matching H0 above

Sample size (n)= 20

Number of correctly identified samples (X)= 15

Proportion correctly identified = .75

Name of probability distribution of test statistic (p. 306): Standard Normal

Alpha (α) = 0.05

Identify rejection region of HA: Enter one of Lower, Upper, or Both

Critical value of test statistic = X.XXX

Test statistic (z score) = Y.YYY

P-value of test statistic = Z.ZZZ

 
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