The annual number of earthquakes in a certain region is a random variable having approximately a normal distribution with $\mu=15.7$. What is the standard deviation of this distribution if the probability is 0.70 that there will be at least 14 earthquakes? Round answer to the nearest tenth.

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The Answer of The annual number of earthquakes in a certain region is a random variable having approximately a normal distribution with $\mu=15.7$. What is the standard deviation of this distribution if the probability is 0.70 that there will be at least 14 earthquakes? Round answer to the nearest tenth.

The Annual Number of Earthquakes in a Certain Region Is μ=15.7\mu=15.7μ=15.7

The Annual Number of Earthquakes in a Certain Region Is $\mu=15.7$