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# 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

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.

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