At a college, 70 percent of the students are women, and 50 percent of the studen

Question

At a college, 70 percent of the students are women, and 50 percent of the students receive a grade of C. 25 percent of the students are neither female nor C students. Use this contingency table. What is the probability that a student is female and a C student? a. 0.45 b. 0.50 c. 0.70 d. 0.25 e. 0.05 What is the probability that a student is male and not a C student? a. 0.45 b. 0.50 c. 0.70 d. 0.25 e. 0.05 3. If the student is male, what is the probability he is a C student? a. 0.05 b. 0.10 c. 0.30 d. 0.17 e. 0.50 If a student has received a grade of C, what is the probability that the student is male? a. 0.05 b. 0.10 c. 0.30 d. 0.17 e. 0.50 If a student has received a grade of C, what is the probability that the student is female? a. 0.45 b. 0.90 c. 0.70 d. 0.64 e. 0.50 A television program director has 14 shows available for Monday night but can choose only 5 shows. How many different possible combinations are there? a. 2014 b. 2001 c. 2005 d. 2002

Explanation / Answer

Answer:

1). a. 0.45

2). d. 0.25

3).d. 0.17 (0.05/0.3)

4).b. 0.10 (0.05/0.5)

5). b. 0.90 (0.45/0.5)

6).d. 2002   (14C5 =2002)

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