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Multiple Choice. Solve the problem...

Multiple Choice. Solve the problem. Highlight or circle the correct answer.

1) The manager of a small retail store counted the number of sales each hour during a 60-hour week. The frequency distribution is given below.

Find the relative frequency of seven sales during an hour.

A) 1/4

B) 1/3

C) 7/40

D) 7/60

E) none of these

2) Your scores on three tests in finite mathematics are 76, 88, and 72. Your grade on the final exam will count twice as much as any one test grade in determining your average grade for the course. In order for your average grade for the course to be 82, what grade must you earn on the final exam?

A) 92

B) 77

C) 87

D) 85

E) none of these

Solve the problem

3) Suppose a basketball team averages 82 points per game for 20 games and then averages 86 points per game for 10 games. If the team scores 96 and 88 points in the next two games, how many points per game did the team average over the 32 games?

4) Student A earned the following course grades during his freshman year: 4, 4, 4, 3, 3, 3, 3, 3, 2, 2.

Student B earned the following course grades during his freshman year: 4, 4, 3, 3, 3, 2, 1, 1, 0, 0.

(a) Compute the means and variances for each student.

(b) Which student has the better grade point average?

(c) Which student was more consistent? Explain.

5) A coin is loaded so that the probability of a head occurring on a single toss is ¾. In five tosses of the coin, what is the probability of getting

a) all heads or all tails?

b) exactly 2 heads or exactly 2 tails?

1) The manager of a small retail store counted the number of sales each hour during a 60-hour week. The frequency distribution is given below.

Find the relative frequency of seven sales during an hour.

A) 1/4

B) 1/3

C) 7/40

D) 7/60

E) none of these

2) Your scores on three tests in finite mathematics are 76, 88, and 72. Your grade on the final exam will count twice as much as any one test grade in determining your average grade for the course. In order for your average grade for the course to be 82, what grade must you earn on the final exam?

A) 92

B) 77

C) 87

D) 85

E) none of these

Solve the problem

3) Suppose a basketball team averages 82 points per game for 20 games and then averages 86 points per game for 10 games. If the team scores 96 and 88 points in the next two games, how many points per game did the team average over the 32 games?

4) Student A earned the following course grades during his freshman year: 4, 4, 4, 3, 3, 3, 3, 3, 2, 2.

Student B earned the following course grades during his freshman year: 4, 4, 3, 3, 3, 2, 1, 1, 0, 0.

(a) Compute the means and variances for each student.

(b) Which student has the better grade point average?

(c) Which student was more consistent? Explain.

5) A coin is loaded so that the probability of a head occurring on a single toss is ¾. In five tosses of the coin, what is the probability of getting

a) all heads or all tails?

b) exactly 2 heads or exactly 2 tails?

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