History, 28.11.2021 01:40, liltay12386

3 points) Fluorescent lighbulbs have lifetimes that are normally distributed with a mean of 6.6 years and a standard deviation of 1.3 years. The figure below shows the distribution of lifetimes of fluorescent lightbulbs. Calculate the shaded area under the curve. Express your answer in decimal form with at least two decimal place accuracy.

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3 points) Fluorescent lighbulbs have lifetimes that are normally distributed with a mean of 6.6 year...