The following frequency distribution reports the number of frequent flier miles, reported in thousands, for employees of Brumley Statistical Consulting Inc. during the most recent quarter.

Frequent Flier Miles (000) Employees Number of

0 up to3 5

3 up to6 12

6 up to9 23

9 up to 12 8

12 up to 15 2

Total 50

Frequent Flier Miles (000) Frequency

0 up to 3 5

3 up to 6 12

6 up to 9 23

9 up to 12 8

12 up to 15 2

Total 50

How many employees were studied?

How many employees accumulated less than 6,000 miles?

What is the CUMULATIVE relative frequency of less than 9,000 miles?