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Mathematics, 15.04.2020 04:20 SOFIA3402
Customers at a gas station pay with a credit card (A), debit card (B), or cash (C). Assume that successive customers make independent choices with P(A) = 0.6, P(B) = 0.3, and P(C) = 0.1.
(a) Among the next 100 customers, what are the mean and variance of the number who pay with a debit card?
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Customers at a gas station pay with a credit card (A), debit card (B), or cash (C). Assume that succ...
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