Calculus and Above

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Customer Question

1. (TCO 4) How many...

1. (TCO 4) How many ways can 15 girls be chosen to form a baseball team of 9 players? (Points : 3)

5005

24

1,816,214,400

135

2. (TCO 4) Which of the following cannot be a probability? (Points : 3)

1

85%

0.425

4/3

3. (TCO 4) List the sample space of tossing a fair coin. (Points : 3)

{H, H}

{T, T}

{H, T}

{1, 2}

4. (TCO 4) What is the probability of choosing a face card (jack, queen, or king) on the second draw if the first draw was a king (without replacement)? (Points : 3)

0.231

0.784

0.216

0.769

5. (TCO 4) A health class has 23 women and 18 men. If a student is chosen randomly to be the team leader, what is the probability the student is a woman? (Points : 3)

0.439

0.561

0.23

0.77

6. (TCO 4) Compute the following: 5! ÷ 0! (Points : 3)

1

5

120

60

7. (TCO 5) Decide whether the experiment is a binomial, Poisson, or neither based on the information given. Each week a man plays a game in which he has a 21% chance of winning. The random variable is the number of times he wins in 64 weeks. (Points : 3)

binomial

Poisson

neither

8. (TCO 5) Given a Poisson distribution with mean = 4. Find P(X < 3). (Points : 3)

0.195

0.238

0.433

0.567

9. (TCO 5) Given the random variable X = {7, 8} with P(7) = 0.7 and P(8) = 0.3. Find E(X). (Points : 3)

4.9

2.4

2.5

7.3

10. (TCO 5) If X = {10, 20, 30, 40} and P(10) = 0.30, P(20) = 0.30, P(30) = 0.30, and P(40) = 0.30, can distribution of the random variable X be considered a probability distribution? (Points : 3)

yes

no

11. (TCO 5) If X = {1, 2, 3, 4, 5, 6} and P(1) = 0.3, P(2) = 0.2, P(3) = 0.1, P(4) = 0.1, P(5) = 0.1, and P(6) = 0.3, can distribution of the random variable X be considered a probability distribution? (Points : 3)

yes

no

12. (TCO 5) The number of shoes in your closet represents what kind of distribution? (Points : 3)

discrete

continuous

13. (TCO 5) Your baby’s height represents what kind of distribution? (Points : 3)

discrete

continuous

14. (TCO 5) The number of patients donating blood in a day represents what kind of distribution? (Points : 3)

discrete

continuous

5005

24

1,816,214,400

135

2. (TCO 4) Which of the following cannot be a probability? (Points : 3)

1

85%

0.425

4/3

3. (TCO 4) List the sample space of tossing a fair coin. (Points : 3)

{H, H}

{T, T}

{H, T}

{1, 2}

4. (TCO 4) What is the probability of choosing a face card (jack, queen, or king) on the second draw if the first draw was a king (without replacement)? (Points : 3)

0.231

0.784

0.216

0.769

5. (TCO 4) A health class has 23 women and 18 men. If a student is chosen randomly to be the team leader, what is the probability the student is a woman? (Points : 3)

0.439

0.561

0.23

0.77

6. (TCO 4) Compute the following: 5! ÷ 0! (Points : 3)

1

5

120

60

7. (TCO 5) Decide whether the experiment is a binomial, Poisson, or neither based on the information given. Each week a man plays a game in which he has a 21% chance of winning. The random variable is the number of times he wins in 64 weeks. (Points : 3)

binomial

Poisson

neither

8. (TCO 5) Given a Poisson distribution with mean = 4. Find P(X < 3). (Points : 3)

0.195

0.238

0.433

0.567

9. (TCO 5) Given the random variable X = {7, 8} with P(7) = 0.7 and P(8) = 0.3. Find E(X). (Points : 3)

4.9

2.4

2.5

7.3

10. (TCO 5) If X = {10, 20, 30, 40} and P(10) = 0.30, P(20) = 0.30, P(30) = 0.30, and P(40) = 0.30, can distribution of the random variable X be considered a probability distribution? (Points : 3)

yes

no

11. (TCO 5) If X = {1, 2, 3, 4, 5, 6} and P(1) = 0.3, P(2) = 0.2, P(3) = 0.1, P(4) = 0.1, P(5) = 0.1, and P(6) = 0.3, can distribution of the random variable X be considered a probability distribution? (Points : 3)

yes

no

12. (TCO 5) The number of shoes in your closet represents what kind of distribution? (Points : 3)

discrete

continuous

13. (TCO 5) Your baby’s height represents what kind of distribution? (Points : 3)

discrete

continuous

14. (TCO 5) The number of patients donating blood in a day represents what kind of distribution? (Points : 3)

discrete

continuous

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