A credit card company claims that their card is used by 40% of the people buying gasoline

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A credit card company claims that their card is used by 40% of the people buying gasoline in a particular city. A random sample of 20 gasoline purchasers is made. If the company’s claim is correct, what is the probability that

(A) From 6 to 12 people in the sample use the card?

(B) Fewer than 4 people in the sample use the card?

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Finite Mathematics For Business Economics Life Sciences And Social Sciences

ISBN: 9780134862620

14th Edition

Authors: Raymond Barnett, Michael Ziegler, Karl Byleen, Christopher Stocker

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Question Posted: Dec 28, 2023 05:10 AM

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A credit card company claims that their card is used by 40% of the people buying gasoline

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We begin by drawing a normal curve with the same mean and standard deviation as the binomial distrib...View the full answer

Finite Mathematics For Business Economics Life Sciences And Social Sciences

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