The table shows the probability distribution of the number of days (x) to complete a construction project by a contractor. xf(x)10.1042 30.31240.24050.09860.017 11If you added 2 days to each value in the Days (x) column, the variance of days to completion will be _________. a3.428 b2.784 c1.428 d1.142

Define the probability distribution p(x) for random variable x. The probability distribution p(x) is…

Answered: The table shows the probability…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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The table shows the probability distribution of the number of days (x) to complete a construction project by a contractor. x f(x) 1 0.104 2 3 0.312 4 0.240 5 0.098 6 0.017 8 The variance of the days to complete the project is ________. a 1.665 b 1.542 c 1.428 d 1.322
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The table shows the probability distribution of the number of days (x) to complete a construction project by a contractor. x f(x) 1 0.104 2 3 0.312 4 0.240 5 0.098 6 0.017 13 If you doubled each number of days to completion in the Days (x) column, the variance of days to completion will be _________. a 5.710 b 4.758 c 3.965 d 2.855

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11	If you added 2 days to each value in the Days (x) column, the variance of days to completion will be _________.

a	3.428
b	2.784
c	1.428
d	1.142

x	f(x)
1	0.104
2
3	0.312
4	0.240
5	0.098
6	0.017