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# \$40.00Part 2. Need assistance. Thank you

• From Mathematics: Statistics
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• Due on Aug. 09, 2012
• Asked on Aug 06, 2012 at 3:00:16PM

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Q:
1.

(TCO 5) We have a binomial experiment with p = 0.4 and n = 2.

(1) Set up the probability distribution by showing all x values and their associated probabilities.

(2) Compute the mean, variance, and standard deviation.

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

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

What is the probability that the student is a sophomore?

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

Class          Credit card carrier       Not a credit card carrier       Total

Freshman     33                      27                            60

Sophmore        6                              34                                   40

Total               39                            61                                    100

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