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Chapter 11 Test B
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1. To compute the probability of having a loaded die turn up six, the theory of probability that would normally be used is
the:
a. Relative frequency theory.
b. Classical (a priori) theory.
c. Subjectivist theory.
d. Conditional theory.
e. Relativist theory.
2. To compute the probability of the Chargers football team beating the Patriots, the theory of probability that would
normally be used is the:
a. Relativist theory.
b. Conditional theory.
c. Classical (a priori) theory.
d. Subjectivist theory.
e. Relative frequency theory.
3. To compute the probability of drawing two aces from a poker deck (without replacing the first card before drawing the
second) the theory of probability that would normally be used is the:
a. Conditional theory.
b. Subjectivist theory.
c. Classical (a priori) theory.
d. Relative frequency theory.
e. Relativist theory.
Event 1B
Given the following event:
Suppose an irregular 7-sided solid object, having sides numbered 1 through 7, is rolled 100 times, and side 4 turns up 12
times.
4. What is the approximate probability of Event 1B happening?
a. .33
b. .12
c. 1/12
d. 1/7
e. 7/12
5. In regard to Event 1B, what are the odds?
a. 1 to 4.
b. 7 to 100.
c. 7 to 125.
d. 3 to 25.
e. 3 to 22.
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Chapter 11 Test B
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6. If the odds of the Yankees beating the Red Sox are 5 to 3, what is the probability of this event happening?
a. 1/8
b. 5/8
c. 3/5
d. 3/8
e. 5/3
7. What is the probability of drawing a black jack from a poker deck (no jokers) on a single draw?
a. 2/13
b. 1/4
c. 1/26
d. 1/13
e. 1/52
8. Given an urn containing 4 red balls, 2 blue balls, and 3 yellow balls. What is the probability of drawing either a red ball
or a blue ball on a single draw?
a. 2/3
b. 1/2
c. 8/9
d. 1/3
e. 4/9
9. What is the probability of getting at least 1 head on 3 successive tosses of a coin?
a. 1/8
b. 3/4
c. 5/8
d. 15/16
e. 7/8
10. Given an urn containing 3 red balls and 4 white balls. If two balls are drawn and the first ball is not replaced before the
second is drawn, what is the probability that both balls are red?
a. 2/7
b. 7/12
c. 1/6
d. 1/7
e. 1/5
11. On one roll of a pair of dice, what is the probability of the points adding up to 5?
a. 1/3
b. 1/9
c. 1/12
d. 5/36
e. 2/9
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Chapter 11 Test B
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Event 2B
Given the following event:
Given an urn containing 2 green, 3 white, and 4 red balls. Two balls are drawn and the first ball is not replaced before the
second is drawn.
12. Given Event 2B, what is the probability that the first ball is white and the second is red?
a. 2/3
b. 7/17
c. 4/27
d. 1/6
e. 2/9
13. Given Event 2B, what is the probability that the two balls are the same color?
a. 1/3
b. 2/9
c. 5/18
d. 1/6
e. 5/9
Event 3B
Given the following event:
Given two urns, one containing 1 yellow, 3 red, and 5 blue balls, and the other containing 4 yellow, 2 red, and 3 blue
balls. A single ball is drawn from each.
14. Given Event 3B, what is the probability that one is red, the other is blue?
a. 2/3
b. 3/27
c. 77/81
d. 19/81
e. 1/3
15. Given Event 3B, what is the probability that at least one is either yellow or red?
a. 7/9
b. 5/27
c. 1/3
d. 2/3
e. 22/27