Find the specified percentile, quartile, or decile. 20) The lifetimes of lightbulbs of a particular
type are normally distributed with a mean of 259 hours and a standard deviation of 11 hours.
Find the first quartile, Q1..
Find the specified percentile, quartile, or decile. 20) The lifetimes.pdf
1. Find the specified percentile, quartile, or decile. 20) The lifetimes of lightbulbs of a particular
type are normally distributed with a mean of 259 hours and a standard deviation of 11 hours.
Find the first quartile, Q1.