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A Manufacturer Claims That at Least 40% of Its Customers

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A manufacturer claims that at least 40% of its customers use coupons. A study of 25 customers is undertaken to test that claim. The results of the study follow.
A manufacturer claims that at least 40% of its customers use coupons. A study of 25 customers is undertaken to test that claim. The results of the study follow.    At a .05 level of significance, use Excel to test the manufacturer's claim. At a .05 level of significance, use Excel to test the manufacturer's claim.

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blured image Do not reject H0, .33846 > .05...

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