Applications with Standard Normal Distribution Answers

0.01790.58320.98211

Which statement represents the percent of American adults with total cholesterol scores in the borderline-high range?

Using the standard normal table, about what percent of American adults have borderline-high cholesterol levels?

The life of a certain brand of battery is normally distributed, with mean 128 hours and standard deviation 16 hours. What is the probability that a battery you buy lasts at most 100 hours? Standardize the variable.x = 100 is equivalent to z = .

mc001-1.jpg

The probability that a battery you buy lasts at most 100 hours is about .