PROBABILITY EXAM

(Binomial Probability: Exact)

If the probability that the Islanders will beat the Rangers in a game is 37%, what is the probability that the Islanders will win exactly six out of six games in a series against the Rangers? Round your answer to the nearest thousandth.

• 1.043

• 0.003

• 0.004

• 0.432

(Binomial Probability: Exact)

If a fair die is rolled 3 times, what is the probability, to the nearest thousandth, of getting exactly 1 three?

• 0.347

• 0.555

• 0.204

• 0.006

(Binomial Probability: Exact)

During a day at radio station MAGIC 92.5, the probability that a particular song is played is 0.18.

What is the probability that this song will be played on exactly 7 days out of 7 days? Round your answer to the nearest thousandth.

• 0.001

• 0.128

• 0.066

• 0.000

(Binomial Probability: Exact)

Mr. and Mrs. Obama have a genetic history such that the probability that a child being born to them with a certain trait is 21%. If they have three children, what is the probability that exactly zero of their three children will have that trait? Round your answer to the nearest thousandth.

• 0.989

• 0.493

• 0.000

• 0.992

(Find Probability Given Probabilities)

This season, the probability that the Yankees will win a game is 0.44 and the probability that the Yankees will score 5 or more runs in a game is 0.6. The probability that the Yankees lose and score fewer than 5 runs is 0.29. What is the probability that the Yankees would score 5 or more runs when they win the game? Round your answer to the nearest thousandth.

• 0.93

• 0.65

• 0.75

• 1

(Find Probability Given Probabilities)

At LaGuardia Airport for a certain nightly flight, the probability that it will rain is 0.11 and the probability that the flight will be delayed is 0.18. The probability that it will rain and the flight will be delayed is 0.02. What is the probability that it is not raining and the flight leaves on time? Round your answer to the nearest thousandth.

• 0.34

• 0.09

• 0.65

• 0.73

(Find Probability Given Probabilities)

This season, the probability that the Yankees will win a game is 0.49 and the probability that the Yankees will score 5 or more runs in a game is 0.53. The probability that the Yankees lose and score fewer than 5 runs is 0.39. What is the probability that the Yankees will lose when they score 5 or more runs? Round your answer to the nearest thousandth.

• 0.435

• 0.989

• 0.226

• 0.555

(Probability from Verbal Description)

In a math class with 18 students, a test was given the same day that an assignment was due. There were 9 students who passed the test and 10 students who completed the assignment. There were 7 students who passed the test and also completed the assignment. What is the probability that a student chosen randomly from the class passed the test or completed the assignment?

• 12/18

• 8/9

• 3/18

• 1/18

(Probability from Verbal Description)

In a class of 27 students, 10 have a brother and 12 have a sister. There are 7 students who do not have any siblings. What is the probability that a student who has a sister also has a brother?

• 4/12

• 1/6

• 9/12

• 3/12

(Compound Probability)

A bag contains 6 red marbles, 7 blue marbles and 8 green marbles. If two marbles are drawn out of the bag, what is the probability, to the nearest 1000th, that both marbles drawn will be red?

• .094

• .567

• .071

• .999