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Chapter 11 Test A
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1. To compute the probability of the LA Lakers defeating the Boston Celtics in their upcoming game, the theory of
probability that would typically be used is the:
a. Relative frequency theory.
b. Conditional theory.
c. Classical (a priori) theory.
d. Relativist theory.
e. Subjectivist theory.
2. To compute the probability that a mass produced rocket engine would fail prematurely, the theory of probability that
would likely be used is the:
a. Classical (a priori) theory.
b. Relative frequency theory.
c. Subjectivist theory.
d. Conditional theory.
e. Relativist theory.
3. To compute the probability of drawing a jack and a queen from a poker deck (without replacing the first card before
drawing the second) the theory of probability that would likely be used is the:
a. Relative frequency theory.
b. Subjectivist theory.
c. Conditional theory.
d. Classical (a priori) theory.
e. Relativist theory.
Event 1A
Given the following event:
Suppose an irregular 4-sided solid object, having sides numbered 1 through 4, is rolled 100 times, and side 3 turns up 28
times.
4. What is the approximate probability of Event 1A happening?
a. 3/28
b. 7/25
c. 7/32
d. 1/7
e. 3/7
5. In regard to Event 1A , what are the odds?
a. 7 to 18
b. 7 to 32
c. 7 to 25
d. 3 to 28
e. 1 to 7
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Chapter 11 Test A
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6. If the odds of the Dodgers defeating the Astros are 4 to 5, what is the probability of this event happening?
a. .20
b. 5/9
c. 4/9
d. .50
e. .80
7. What is the probability of drawing either an ace or a king from a poker deck (no jokers) on a single draw?
a. 1/52
b. 1/26
c. 1/13
d. 2/13
e. 1/4
8. Given an urn containing 2 pink balls, 3 green balls, and 5 yellow balls. What is the probability of drawing either a green
ball or a yellow ball on a single draw?
a. 2/25
b. 3/20
c. 3/4
d. 9/10
e. 4/5
9. What is the probability of getting at least 1 head on 5 successive tosses of a coin?
a. 3/4
b. 7/8
c. 31/32
d. 5/8
e. 15/16
10. Given an urn containing 4 green balls and 5 orange 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 green?
a. 7/18
b. 1/6
c. 4/27
d. 7/17
e. 16/81
11. On one roll of a pair of dice, what is the probability of the points adding up to 6?
a. 5/36
b. 1/9
c. 1/6
d. 7/36
e. 2/9
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Chapter 11 Test A