Question

In October, the daily high temperature is normally distributed with a mean of 13 and a standard deviation of 4.

a) find the probability that a randomly selected day in October has a temperature of above 14 degrees.

b) find the temperature t, such that only 25% of the days are above this temperature.

Answer 1

Define , X : The daily high temperature in the month of October

a )  

  

  

  

b )  

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