Mathematics, 06.01.2021 18:00 morgan4411
The waiting times on hold for a call to a customer service department are observed to have the following probability distribution:
Number of calls, x Waiting time, minutes, f(x)
0 0
2 3
4 10
6 15
8 10
10 6
The expected value of the waiting time for a random call is most nearly:
a. 7.3 minutes
b. 9.2 minutes
c. 11.5 minutes
d. 15.0 minutes
Answers: 1
Mathematics, 21.06.2019 16:20
Two positive integers are 3 units apart on a number line. their product is 108. which equation can be used to solve for m, the greater integer? m(m – 3) = 108 m(m + 3) = 108 (m + 3)(m – 3) = 108 (m – 12)(m – 9) = 108
Answers: 1
Mathematics, 21.06.2019 20:00
Formulate alisha has a number in mind. if she adds three to her number the result is less than five. use this information to write and solve an inequality about alisha's number. then graph the solution set.
Answers: 1
Mathematics, 21.06.2019 22:20
The mean of 10 values is 19. if further 5 values areincluded the mean becomes 20. what is the meanthese five additional values? a) 10b) 15c) 11d) 22
Answers: 1
The waiting times on hold for a call to a customer service department are observed to have the follo...
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