Question: The amount of snowfall falling in a certain mountain range is normally distributed with a mean of 105 inches and a standard deviation of 16

  1. The amount of snowfall falling in a certain mountain range is normally distributed with a mean of 105 inches and a standard deviation of 16 inches.What is the probabilty that the mean annual snowfall during 64 randomly picked years will exceed 107.8 inches?
  2. The annual precipitation amounts in a certain mountain range are normally distributed with a mean of 82 inches and a standard deviation of 10.8 inches.

What is the probabilty that the mean annual precipitation during 39 randomly picked years will be less than 85.1 inches?

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