The probability that a customer at a grocery store pays for their items with a credit or debit card (event C) is .78. The probability that the grocery bill for a customer is greater than $100 (event H) is .37. The probability that a customer pays with a credit or debit card given that his or her grocery bill was greater than $100 is .95. (a) What is the probability that a customer pays with a credit or debit card and his or her grocery bill was greater than $100? (Round your answer to 4 decimal places.) (b) What is the probability that a customer’s grocery bill was over $100 given that he or she paid with a credit or debit card? (Round your answer to 4 decimal places.) (c) In this problem, are C and H independent? multiple choice Yes No
The
(a) What is the probability that a customer pays with a credit or debit card and his or her grocery bill was greater than $100? (Round your answer to 4 decimal places.)
(b) What is the probability that a customer’s grocery bill was over $100 given that he or she paid with a credit or debit card? (Round your answer to 4 decimal places.)
(c) In this problem, are C and H independent?
multiple choice
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Yes
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No
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