Mean and Standard Deviation of Light Bulb Lifetime
Soft-drink volume in test
July 9, 2019Describe range, variance, standard deviation and calculate values
July 9, 2019The lifetimes of light bulbs of a particular type are normally distributed with a meanof 370 hours and a standard deviationof 5 hours. What percentage of bulbs has lifetimes that lie within 1 standard deviation of the mean on either side?
The solution determines what percentage of bulbs has lifetimes that lie within 1 standard deviation of the mean on either side.
