Q. 12. The distribution of sale price (online) for four-year-old Harley Davidson touring motorcycles is approximately Normally distributed with a mean of $14,000 and a standard deviation of $4,000. (a) Mr. Mayo plans to spend between $9,000 and $12,000 on a motorcycle. What proportion of the available motorcycles of this type can he afford? (b) What is the 30th percentile for the prices of motorcycles of this type? (c) Show that a motorcycle of this type priced at $25,000 would be considered an outlier by the 1.5 x /QR rule