SOLUTION: 1.Some students were asked if they carry a credit card. Here are the responses.
Class Credit Card Carrier Not a Credit Card Carrier Total
Freshman 33 27
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-> SOLUTION: 1.Some students were asked if they carry a credit card. Here are the responses.
Class Credit Card Carrier Not a Credit Card Carrier Total
Freshman 33 27
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Question 346564: 1.Some students were asked if they carry a credit card. Here are the responses.
Class Credit Card Carrier Not a Credit Card Carrier Total
Freshman 33 27 60
Sophomore 6 34 40
Total 39 61 100
What is the probability that the student is a sophomore and doesn't carry a credit card?
2.Some students were asked if they carry a credit card. Here are the responses.
Class Credit Card Carrier Not a Credit Card Carrier Total
Freshman 33 27 60
Sophomore 6 34 40
Total 39 61 100
What is the probability that the student is a sophomore given he doesn't carry a credit card?
