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Home Q & A Board Other Fields Homework Help Business Economics
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gyoku2302 gyoku2302
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Posts: 132
Rep: 18 0
A year ago

The number of electrical outages in a city varies from day to day. Assume that the number of electrical outages (x) in the city has the following probability distribution.

x

f(x)

0

0.80

1

0.15

2

0.04

3

0.01


The mean and the standard deviation for the number of electrical outages (respectively) are



▸

2.6 and 5.77



▸

0.26 and 0.577



▸

3 and 0.01



▸

0 and 0.8

Textbook 
Essentials of Statistics for Business and Economics

Essentials of Statistics for Business and Economics


Edition: 7th
Authors:
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dioxy186dioxy186
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#1
Posts: 126
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A year ago
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gyoku2302 Author
wrote...

A year ago
Good timing, thanks!
AlahuKakpar
wrote...

Yesterday
Thanks
Brownr40
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2 hours ago
This site is awesome
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