Calculate the margin of error and construct a confidence interval for the population proportion using the normal
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Question:
Calculate the margin of error and construct a confidence interval for the population proportion using the normal approximation to the pp-distribution (if it is appropriate to do so).
Standard Normal Distribution Table
a. p=0.9,n=140,=0.05
E=
Round to four decimal places if necessary
Enter 0 if normal approximation cannot be used
Round to four decimal places if necessary
Enter 0 if normal approximation cannot be used
b. p=0.6,n=160,=0.05
Round to four decimal places if necessary
Enter 0 if normal approximation cannot be used
Round to four decimal places if necessary
Enter 0 if normal approximation cannot be used
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