(a) less than S70, (b) between $85 and $110, and (c) more than $120

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...
icon
Related questions
Question

solve it correctly. i will rate and review.

The monthly utility bills in a city are normally distributed, with a mean of $100 and a standard deviation of $13. Find the probability that a randomly selected utility bill
is (a) less than $7o, (b) betwoen $85 and $110, and (c) more than $120.
(a) The probability that a randomly selected utity bill is less than $70 is
(Round to four decimal places as neoded.)
Transcribed Image Text:The monthly utility bills in a city are normally distributed, with a mean of $100 and a standard deviation of $13. Find the probability that a randomly selected utility bill is (a) less than $7o, (b) betwoen $85 and $110, and (c) more than $120. (a) The probability that a randomly selected utity bill is less than $70 is (Round to four decimal places as neoded.)
Expert Solution
steps

Step by step

Solved in 4 steps with 8 images

Blurred answer
Recommended textbooks for you
A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
Probability
ISBN:
9780134753119
Author:
Sheldon Ross
Publisher:
PEARSON
A First Course in Probability
A First Course in Probability
Probability
ISBN:
9780321794772
Author:
Sheldon Ross
Publisher:
PEARSON