Mathematics, 18.10.2021 14:10, lainnn974

The playing life of a Sunshine radio is normally distributed with mean LaTeX: \muμ = 600 hours and standard deviation LaTeX: \sigmaσ = 100 hours. What is the probability that a radio selected at random will last from 600 to 700 hours? b. Find the area under the standard normal curve to the left of z = –1.00
c. Find the area to the left of z = 1.18
d. Find the area between z = 1.00 and z = 2.70.

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