change temp to deviations.
a) 2 sigma or greater than mean
b) .7sigma or lower than mean
c) between .7sigma above and 1.8sigma above.
Now use your tables.
At a ski area in Vermont, the daytime high temperature is normally distributed during
January, with a mean of 22°F and a standard deviation of 10°F. You are planning to
snowboard there this January. What is the probability that you will encounter daytime
highs of
a) 42°F or higher?
b) 15°F or lower?
c) between 29°F and 40°F?
1 answer