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STATISTICS: Use the data in Bank Dataset (from Unit 1 Exercise Question 2) to answer this...

STATISTICS: Use the data in Bank Dataset (from Unit 1 Exercise Question 2) to answer this question.

a. Construct a 95% confidence interval to estimate the proportion of customers who would recommend the Bank to family and friends after the change.

b. What is the margin of error of the estimate at the 95% confidence level?

DATASET HAS 132/152 WHO RECOMMENDED THE BANK AFTER CHANGE AND 20/152 WHO DID NOT RECOMMEND THE BANK AFTER CHANGE.

Math   Statistics-And-Probability   
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