Question: 6
(Choose 1 answer)
(See picture)
The following are the duration in minutes of a sample of
long-distance phone calls made within the continental United
States reported by one long-distance carrier.
Relative
A. 10
B. 14
C. 26
D. 74
Time (in Minutes)
0 but less than 5
Frequency
0.37
5 but less than 10
0.22
10 but less than 15
0.15
15 but less than 20
0.10
20 but less than 25
0.07
25 but less than 30
0.07
30 or more
0.02
If 100 calls were randomly sampled, how many calls lasted
15 minutes or longer?
