12) A and B pleaseImage transcription text12. (8 points) a) Suppose that a market research firm is hired to estimate the percent of adults who pay with acredit card at restaurants. Three thousand diners were randomly selected and 2,348 of them reported thatthey pay with a credit card. At the 90% level of confidence, find the margin of error, E, and the co… Show more… Show more12) A and B please MathStatistics and Probability MATH 11
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