# then the probability of both events occurring

August 30, 2017

Question
Question 1 of 20

1.0 Points

If events A and B are mutually exclusive, then the probability of both events occurring
simultaneously is equal to
A.any value between 0.5 and 1.0
B.0.0
C.1.0
D.0.5
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Question 2 of 20

1.0 Points

If one tosses a coin enough times, the proportion of "heads" will approach 0.5. This is an
example of:
A.the Empirical Rule
B.the Law of Large Numbers
C.subjective probabilities
D.the Central Limit Theorem
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Question 3 of 20

1.0 Points

In a genetics experiment 5 flowers out of 8 were bicolor, and the rest were solid color. If 3 of the
flowers are selected at random without replacement, what is the probability that all 3 are
bicolor?
A.0.625
B.0.375
C.0.1786

D.0.2441
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Question 4 of 20

1.0 Points

If two events are mutually exclusive, what is the probability that one or the other occurs?
A.Cannot be determined from the information given.
B.0.50
C.1.00
D.0.25
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Question 5 of 20

1.0 Points

is the:
A.rule of complements
C.commutative rule
D.rule of opposites
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Part 2 of 6 –

Question 6 of 20

1.0 Points

If a gambler rolls two dice and gets a sum of 10, he wins \$10, and if he gets a sum of three, he
wins \$20. The cost to play the game is \$5. What is the expectation of this game?
A.\$3.06

B.-\$2.78
C.-\$3.06
D.\$2.78
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Question 7 of 20

1.0 Points

Find the variance of the following probability distribution.
X
1
2
3
4

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