Solved

The Number of Cell Phone Minutes Used by High School

Question 111

Multiple Choice

The number of cell phone minutes used by high school seniors follows a normal distribution with a mean of 500 and a standard deviation of 50.What is the probability that a student uses fewer than 400 minutes?


A) 0
B) 0.023
C) 0.159
D) 0.977

Correct Answer:

verifed

Verified

Unlock this answer now
Get Access to more Verified Answers free of charge

Related Questions

Q106: Suppose that when the temperature is between

Q107: Which of these suggests a discrete random

Q108: A new young executive is perplexed at

Q109: If two events (A,B)are mutually exclusive, what

Q110: The number of cell phone minutes used

Q112: If two events (A,B)are not mutually exclusive,

Q113: A company is considering producing some new

Q114: Which of the following is not true

Q115: A company is considering producing some new

Q116: Given the following distribution:<br> <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB5481/.jpg" alt="Given