Mathematics, 20.12.2021 01:40 CesarCarvajal969
A franchise owner of a fast food chain wishes to estimate the proportion of meal orders returned by customers as unacceptable. The historical records show that over the past several years, 8 percent of meal orders have been returned. Determine the sample size needed in order to be 99% confident that the sample proportion of meals returned has a margin of error of 0.03.
A. 1844
B. 1221
C. 306
D. 632
E. 543
Answers: 2
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