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The number X of days in the summer months that a construction crew cannot work because of the weather has the probability distribution: X 6. 7 8 10 11 12 13 14 f(x) 0.03 0.08 0.15 0.2 0.19 0.16 0.1 0.07 0.02 The mean and standard deviation of X are respectively: O None of the other options O 9.7 and 1.9 O 9.74 and 1.8954 9.79 and 1.8617

The number X of days in the summer months that a construction crew cannot work because of the weather has the probability distribution: X 6. 7 8 10 11 12 13 14 f(x) 0.03 0.08 0.15 0.2 0.19 0.16 0.1 0.07 0.02 The mean and standard deviation of X are respectively: O None of the other options O 9.7 and 1.9 O 9.74 and 1.8954 9.79 and 1.8617

A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
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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The number X of days in the summer months that a construction crew cannot work because of the weather has the probability distribution: X 6. 7 8 10 11 12 13 14 f(x) 0.03 0.08 0.15 0.2 0.19 0.16 0.1 0.07 0.02 The mean and standard deviation of X are respectively: O None of the other options O 9.7 and 1.9 ) 9.74 and 1.8954 9.79 and 1.8617
Transcribed Image Text:The number X of days in the summer months that a construction crew cannot work because of the weather has the probability distribution: X 6. 7 8 10 11 12 13 14 f(x) 0.03 0.08 0.15 0.2 0.19 0.16 0.1 0.07 0.02 The mean and standard deviation of X are respectively: O None of the other options O 9.7 and 1.9 ) 9.74 and 1.8954 9.79 and 1.8617
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