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Suppose that the amount of snowfall that Minneapolis gets in a year is normally distributed with...

Suppose that the amount of snowfall that Minneapolis gets in a year is normally distributed with a mean of 45 inches and a standard deviation of 5 inches. This year, what is the probability that Minneapolis will gets.

a) More than 58 inches of rain This would be 2 standard deviations or more above the mean and construct a 95 % confidence interval.

b) Between 40 and 50 inches of rain One standard deviation on either side of the mean… and construct a 90 % confidence interval.

c) Less than 30 inches of rain 3 Standard deviations or more below the mean and construct a 99 % confidence interval.

Math   Statistics-And-Probability   
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