Suppose the next three random numbers were .18, .89 and .67. How many customers would have arrived during this 30-minute period?
A bakery is considering hiring another clerk to better serve customers. To help with this decision, records were kept to determine how many customers arrived in 10-minute intervals. Based on 100 10-minute intervals, the following probability distribution and random number assignments developed.
Number of Arrivals Probability Random numbers
6 .1 .01 - .10
7 .3 .11 - .40
8 .3 .41 - .70
9 .2 .71 - .90
10 .1 .91 - .00
A) 22
B) 23
C) 24
D) 25
Answer: C
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