Question: Suppose that the temperature X in summer, given in Kelvin, is normally distributed with mean 300K and standard deviation 10K. Let Y be the same

Suppose that the temperature X in summer, given in Kelvin, is normally distributed with mean 300K and standard deviation 10K. Let Y be the same temperature, given in degrees Fahrenheit. So
Y = 9/5 (X- 273) +32.
Find the probability that the temperature is higher than 90 degrees Fahrenheit.

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