solve question 14, and question 15
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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solve question 14, and question 15
Transcribed Image Text:***** In a certain country, the proportion of highway sections requiring repairs in any given year is a random variable
Having the beta distribution with a = 3 and B=2, then answer questions (12-13)
Q.12 the mean is equal to :
a) 0.785
b) 0.356
c) 0.60
d) Your answer
Q.13 the variance is equal to:
a) 0.2
b) 0.56
c) 0.04
d) Your answer
Q.14 for the log- normal distribution if a = 2.B 0.1 , the probability between values of 6.1 and 8.2 equal to :
a) 0. 785
b) 0.5771
c) 0.3612
d) Your answer
Transcribed Image Text:IS the current in mmeasared in a piece o copper wire is known to folkow a unitorm distribution over
Intenal (02, the variance of the distribution equal to
a) 125
d) Your answer
)2.083
Ql6 For the folloming Box Plot, The (largest, median, smallest) values are
b) 52.08
60
70
30
40
(40,30.60) b) (60.50,40) eh (70, 50, 30 )
d) Your answer
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