Multiple Choice
The mean life of a pair of shoes is 40 months with a standard deviation of 8 months. If the life of the shoes is normally distributed, how many pairs of shoes out of one million will need replacement before 36 months?
A) 500,073
B) 808,573
C) 191,537
D) 308,537
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q78: The weight of a product is normally
Q79: While conducting experiments, a marine biologist selects
Q80: During the past six months, 73.2 percent
Q81: The _ distribution would most likely be
Q82: The standard deviation of a standard normal
Q84: The z value tells us the number
Q85: An aptitude test has a mean score
Q86: The binomial random variable x consists of
Q87: The actual weight of hamburger patties is
Q88: The standard deviation of a standard normal