A set of average city temperatures in April are normally distributed with a mean of 19.7^\circ C and a standard deviation of 2^\circ C. The average temperature of Kabul is 15^\circ C. What proportion of average city temperature are lower than that of Kabul? You may round your answer to four decimal places.
a set of average city temperatures in december are normally distributed
ap statistics
high-school
normal distribution
area below a point

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