A major credit card company has determined that the amount its customers charge on their accounts is normally distributed with an average of 2800 per month and a standard deviation of 200. What proportion of customers charge more than 2750 per month on their account round off to three decimals?  What percentage of customers charge between 2410 and 3016 per month rounded off to two decimals?

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

A major credit card company has determined that the amount its customers charge on their accounts is normally distributed with an average of 2800 per month and a standard deviation of 200.

What proportion of customers charge more than 2750 per month on their account round off to three decimals? 

What percentage of customers charge between 2410 and 3016 per month rounded off to two decimals? 

 

Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps with 19 images

Blurred answer
Knowledge Booster
Point Estimation, Limit Theorems, Approximations, and Bounds
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, probability and related others by exploring similar questions and additional content below.
Similar questions
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