SOLUTION: Cool tel is large mobile service provider it has conducted a study on 10000 customers about length of time they have to wait at its customer care centers before being facilitated b
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Question 1192125: Cool tel is large mobile service provider it has conducted a study on 10000 customers about length of time they have to wait at its customer care centers before being facilitated by cool's officer the results of study are
waiting time (min) 0 1 2 3 4 5 6 7
no of customers 380 1120 1680 1780 1960 1530 1200 330
calculate the probability that a customers must wait before being facilitated?''.
Answer by ikleyn(52794) (Show Source): You can put this solution on YOUR website!
.
Read your post attentively and think on what you read.
The probability is a fraction, whose denominator is the total number of customers,
while the numerator is the total number of customers minus 380.
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