Multiple Choice
The number of phone calls coming into a switchboard in the next five minutes will either be 0,1,or 2.The probabilities are the same for each of these (1/3) .If X is the number of calls arriving in a five-minute time period,what is the mean of X?
A) 1/3
B) 2/3
C) 1
D) 4/3
E) None of the above
Correct Answer:
Verified
Correct Answer:
Verified
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