subject
Mathematics, 31.12.2019 04:31 GladToBeACarmine

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:

a. 2.6 and 5.77
b. 0.26 and 0.577
c. 3 and 0.01
d. 0 and 0.8

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 15:00
Explain why the function is discontinuous at the given number a. (select all that apply.) f(x) = 1 x + 1 a = −1 f(−1) is undefined. lim x→−1+ f(x) and lim x→−1− f(x) exist, but are not equal. lim x→−1 f(x) does not exist. f(−1) and lim x→−1 f(x) exist, but are not equal. none of the above
Answers: 3
question
Mathematics, 21.06.2019 17:30
Noor brought 21 sheets of stickers. she gave 1/3 of a sheet to each of the 45 students at recess. she wants to give teachers 1 1/2 sheets each.
Answers: 2
question
Mathematics, 21.06.2019 18:00
When you answer this can you explain
Answers: 2
question
Mathematics, 21.06.2019 18:00
Ageologist had two rocks on a scale that weighed 4.6 kilograms together.rock a was 0.5 of the total weight.how much did rock a weigh?
Answers: 1
You know the right answer?
The number of electrical outages in a city varies from day to day. assume that the number of electri...
Questions
question
Mathematics, 25.05.2021 22:50
question
Computers and Technology, 25.05.2021 22:50
question
Computers and Technology, 25.05.2021 22:50
question
Mathematics, 25.05.2021 22:50
Questions on the website: 13722362