subject
Mathematics, 28.07.2019 21:30 carter4026

Assuming a normal distribution, families spends an average of $500 on their monthly cell phone bills with a standard deviation of $75. what is the probability a random families' bill is between $350 and $400?

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 13:40
Cam bought some used books for $4.95. he paid $0.50 each for some books and $0.35 each for the others. he bought fewer than 8 books at each price. how many books did cam buy?
Answers: 1
question
Mathematics, 21.06.2019 20:30
For the quadratic function [tex]y=(x+4)^2-1[/tex] , do the following: a) rewrite the function in the standard form, b) rewrite the function in intercept form, c) find the vertex, d) find the y-intercept, e) find the x-intercepts.
Answers: 1
question
Mathematics, 21.06.2019 23:20
If f(x) = 4x - 3 and g(x) = x + 4, find (f - g) (x)
Answers: 3
question
Mathematics, 22.06.2019 00:30
The base of the rectangle pyramid is 13 inches long and 12 inches wide the height of the pyramid is 18 inches . what is the volume of the pyramid ?
Answers: 2
You know the right answer?
Assuming a normal distribution, families spends an average of $500 on their monthly cell phone bills...
Questions
question
Mathematics, 17.10.2019 21:10