Mathematics, 03.04.2021 01:00 jenellalexis94p5jp7i
A bank wants to estimate the difference in the proportion of its "big" customers who have a second account with a different bank and the proportion of its "small" customers who also have an account with another bank. Of the 200 "big” customers randomly selected, 160 claimed to also bank elsewhere. Of the 300 "small" customers randomly selected, 120 claimed to also bank with other banks. Check the conditions for constructing a confidence interval for the difference in proportions.
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A bank wants to estimate the difference in the proportion of its "big" customers who have a second a...
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