# Probability problems

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1. (TCO 4) What is the probability that the student is a sophomore given he doesn't carry a credit card?

Credit Card Carrier Not a Credit Card Carrier Total

Freshman: 33 27 60

Sophomore: 6 34 40

Total: 39 61 100

2. (TCO 4) Some students were asked if they carry a credit card. Here are the responses.

What is the probability that the student was a freshman? Please use chart above

3. (TCO 4) What is the probability that the student is a freshman and doesn't carry a credit card?

(Please use chart above).

https://brainmass.com/statistics/probability/normal-probability-distributions-credit-card-example-284807

#### Solution Summary

The solution provides step by step method for the calculation of probability. Formula for the calculation and Interpretations of the results are also included.

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