Amazon Prime is a $119-per-year service that gives the company’s customers free two-day shipping and discounted rates on overnight delivery. Prime customers also get other perks, such as free e-books. The accompanying table shows a portion of the annual expenditures (in $) for 100 Prime customers.

a. Construct the frequency distribution for Expenditures. Use six intervals with widths of 400 < x ≤ 700; 700 < x ≤ 1,000; etc. How many customers spent between $701 and $1,000?
b. How many customers spent $1,300 or less? How many customers spent more than $1,300?

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Customer Expenditures 1 1272 2 1089 ⠀ ⠀ 100 1389