Question: Find the indicated probability by using the general addition rule. The manager of a bank recorded the amount of time each customer spent waiting in

Find the indicated probability by using the general addition rule.

The manager of a bank recorded the amount of time each customer spent waiting in line during peak business hours one Monday. The frequency table below summarizes the results.

waiting Time (minutes) Number of customers

0-3 10

4-7 9

8- 11 11

12- 15 5

16- 19 6

20- 23 1

24- 27 2

A. 0.568

B. 0.114

C. 0.696

D. 0.682

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