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A market research firm is investigating the appeal of three package designs. The table below gives information obtained through a sample of 200 consumers. The
A market research firm is investigating the appeal of three package designs. The table below gives information obtained through a sample of 200 consumers. The three package designs are labelled A, B, and C. The consumers are classified according to age and package design preference. A B C Total Under 25 years 22 34 40 96 25 or older 54 28 22 104 Total 76 62 62 200 Are "B" and "25 or older" independent and why or why not? O Yes, because P (B) = P(C). O No, because P (25 or over | B) # P(B). O No, because age and package design are different things. O No, because P (25 or older | B) # P (25 or older). O Yes, because P (25 or older n B) * 0
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