Fluorescent lighbulbs have lifetimes that are normally distributed with a mean of 5.8 years and a standard deviation of 1.1 years. The figure below shows the distribution of lifetimes of fluorescent...

Fluorescent lighbulbs have lifetimes that are normally distributed with a mean of 5.8 years and a standard deviation of 1.1 years. The figure below shows the distribution of lifetimes of fluorescent lightbulbs. Calculate the shaded area under the curve.

Extracted text: 3.6 6,9 Lifetines of Fluorescent Lightbulbs