7. A meeting of consuls was attended by 5 Americans and 3 Germans. If three consuls were selected, which of the following probability distribution represents the number of German? a. с. 3 10 30 3 2 10 30 P(G) 15 G 56 56 56 56 P(G) 15 56 56 56 56 b. d. 2 30 3 15 G P(G) 11 G 56 56 56 P(G) 15 30 11 56 56 56
7. A meeting of consuls was attended by 5 Americans and 3 Germans. If three consuls were selected, which of the following probability distribution represents the number of German? a. с. 3 10 30 3 2 10 30 P(G) 15 G 56 56 56 56 P(G) 15 56 56 56 56 b. d. 2 30 3 15 G P(G) 11 G 56 56 56 P(G) 15 30 11 56 56 56
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 4ECP: Show that the probability of drawing a club at random from a standard deck of 52 playing cards is...
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Transcribed Image Text:7. A meeting of consuls was attended by 5 Americans and 3 Germans. If three consuls were
selected, which of the following probability distribution represents the number of German?
a.
c.
3
1
56
G
30
G
P(G)
3
10
P(G)
10
15
1
30
1
15
56
56
56
56
56
56
56
b.
d.
3
15
11
30
G
2
30
P(G)
3
56
56
56
P(G)
15
56
56
56
8. Which of the following does not represent an example of a discrete probability distribution?
a. 0.58
b. 2
c. 65%
d. 5
9. Which among the following distribution represents a probability mass function?
а.
с.
Y 2 4 6 8
P(Y)
Z 4 7
P(Z)
8 9
1
2
3
4
b.
d.
H
3
5
10 15 20
P(H) 0.65 -0.15 0.50
P(G) 0.20 0.30 0.40 0.50
10. The probability that a student will borrow 1,2,3, or 4 books are 0.45, 0.30, 0.15, and
respectively. What should be the probability of borrowing four books so that it can serve as a
probability distribution of the random variable.
a. 0.10
b. 0.11
c. 0.12
d. 0.13
N In
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