The president of the Madaba Bank wants to confırm her belief that the bank has a low rate of customers with regular saving accounts poll conducted by the marketing department at AUM in which 2000 randomly selected adults were chosen and 1280 of them have mo regular savings account. Find the 95% confidence interval for the true proportion of adults who have money in regular saving account Select one: O a. 0.619

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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The president of the Madaba Bank wants to confirm her belief that the bank has a low rate of customers with regular saving accounts. She reads a
poll conducted by the marketing department at AUM in which 2000 randomly selected adults were chosen and 1280 of them have money in
regular savings account. Find the 95% confidence interval for the true proportion of adults who have money in regular saving accounts.
Select one:
O a. 0.619<p<0.661
O b. 0.561<p<0.661
0.539<p<0.633
O d. 0.539<p<0.643
Transcribed Image Text:The president of the Madaba Bank wants to confirm her belief that the bank has a low rate of customers with regular saving accounts. She reads a poll conducted by the marketing department at AUM in which 2000 randomly selected adults were chosen and 1280 of them have money in regular savings account. Find the 95% confidence interval for the true proportion of adults who have money in regular saving accounts. Select one: O a. 0.619<p<0.661 O b. 0.561<p<0.661 0.539<p<0.633 O d. 0.539<p<0.643
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