# Multiple choice questions on probability

Express the indicated degree of likelihood as a probability value.

*"it will definitely turn dark tonight."

a. 0.5

b. 1

c. 0.30

d. 0.67

*Which of the following can not be a probability?

a. 1

b. 0

c. -1

d. 2

*Answer the question,considering the event to be "unusual" if its probability is less than or equal to 0.05

- Is is "unusual" to get 10 when a pair of dice is rolled? yes or no

*if a person is randomly selected, find the probability that his or her birthday is in May. (ignore leap years).

a. 1/365

b. 1/12

c. 1/31

d. 31/365

*the probability that John will pass his stats test is 0.65. Find the probability that he will fail his stats test:

a. 1.54

b. 0.33

c. 1.86

d. 0.35

*Determine whether the events are mutually exclusive

-read a book by mark twain

-read about tom sawyer

Yes or No?

Find the indicated probability:

* A bag contains 3 blue marbles, 8 red marbles, and one green marble. Find P(not blue)

a. 9

b. 1/4

c. 3/4

d. 4/3

* a card is drawn from a well-shuffled deck of 52 cards. Find P (drawing 8) an ace or a 9)

a. 10

b. 5/13

c. 13/2

d. 2/13

*Your dealt two cards successively (without replacement) form a shuffled deck of 52 playing cards. Find the probability that the first card is a king and the second card is a queen.

a. 1/663

b. 4/663

c. 2/13

d. 13/102

* A bin contains 71 light bulbs of which 6 are defective. If 4 light bulbs are randomly selected from the bin with replacement, find the probability that all the bulbs selected are good ones.

a. 0

b. 0.702

c. 0.1550

d. 0.915

#### Solution Summary

The solution gives answers to some elementary problems in probability.