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(Choose 1 answer)
(See picture)
☐ A
A. 0.41
☐ C
B. 0.24
C. 0.16
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D. 0.9
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.
Time (in Minutes)
Relative
Frequency
0 but less than 5
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
FUQ.sh
sh the exam.
What is the cumulative relative frequency for the percentage of
calls that lasted 10 minutes or more?
