4. The yearly snowfall amount in the North Cascades is Normally Distributed with a mean of 64 inches and a standard deviation of 8 inches. Use this information to answer the following. Please use the Basic Bell Curve/68-95-99.7 rule to complete these problems, and show all work done to reach your answer. a. What is the probability that the snowfall is below 56 inches on a randomly selected year? Please show all work. You must use at least two decimal places in your answer (the hundredths place), but is preferred that you use four decimal places (the ten thousandths place). Points will not be earned if this is solved by using the normal distribution function on your calculator or strategies learned out side of class