Multiple Choice
The number of phone calls coming into a switchboard in the next five minutes will either be 0, 1, 2, 3, 4, 5, or 6.The probabilities are the same for each of these (1/7) .If X is the number of calls arriving in a five-minute time period, what is the mean of X?
A) 2
B) 3
C) 4
D) 5
Correct Answer:
Verified
Correct Answer:
Verified
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