4 8. P(X) 1/5 1/5 1/5 1/5 1/5 14 What is the mean of the probability distribution? B. 20 A 15 с 33 D. 40 15 What is the vauiance of the probability distribution? B 6 35 A 415 e 8 00 D. 7 50

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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13 What is the mean of the probahility distribution?
B 1.50
A 1 00
с. 2.00
D. 250
For aumbers 14 15, refer to the probability distr ibution shown below.
4.
P(X)
1/5
1/5
1/5
1/5
1/5
14 What is the mean of the probability distribution?
В. 20
A 15
C 35
D. 40
15 What is the vauiance of the probability distribution?
B 6 35
D 7 50
A 4.15
e 8 00
Transcribed Image Text:13 What is the mean of the probahility distribution? B 1.50 A 1 00 с. 2.00 D. 250 For aumbers 14 15, refer to the probability distr ibution shown below. 4. P(X) 1/5 1/5 1/5 1/5 1/5 14 What is the mean of the probability distribution? В. 20 A 15 C 35 D. 40 15 What is the vauiance of the probability distribution? B 6 35 D 7 50 A 4.15 e 8 00
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