(Answered) The annual snowfall in saskatoon is a normally distributed

Statistics

The annual snowfall in Saskatoon is a normally distributed variable with a mean of 80 cm and a standard deviation of 20 cm.

a) What is the probability that the snowfall in any year will exceed 30 cm?

b) What is the probability that the snowfall in any year will be between 55 and 90 cm?

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