What percent of the radios will last

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The playing life of a sunshine radio is normally distributed with a mean of 600 hours and a standard deviation of 100 hours.

a. What percent of the radios will last from 600 to 700 hours?

b. What percent of radios will last more than 600 hours?

c. What percent of radios will play between 400 and 600 hours?

d. What percent of radios will last less than 800 hours?

e. What percent of radios will play between 300 and 700 hours?

Reference no: EM131482730

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