Mathematics, 20.03.2020 17:19 gray69
The phone lines to an airline reservation system are occupied 40% of the time. Assume that the events that the lines are occupied on successive calls are independent. Assume that 10 calls are placed to the airline.
a. What is the probability that for exactly three calls, the lines are occupied?
b. What is the probability that for at least one call, the lines are not occupied?
c. What is the expected number of calls in which the lines are all occupied?
Answers: 2
Another question on Mathematics
Mathematics, 21.06.2019 12:40
Question 6 (10 points) ✓ saved what is the center of a circle described by the equation x2 + y2 +10y = -16? . (0,-5) (0,5) (-5,0) (5,0)
Answers: 1
Mathematics, 21.06.2019 15:30
Fabian harvests 10 pounds of tomatoes from his garden. he needs 225 pounds to make a batch of soup. if he sets aside 2.8 pounds of tomatoes to make spaghetti sauce, how many batches of soup can fabian make?
Answers: 2
Mathematics, 22.06.2019 00:00
Macy spent $36 on jeans. this was $12 less than twice what she spent on a shirt. which equation to solve this, 12x=36 2x=36-12 2x-12=36 12-2x=36
Answers: 1
You know the right answer?
The phone lines to an airline reservation system are occupied 40% of the time. Assume that the event...
Questions
Social Studies, 18.12.2019 17:31
History, 18.12.2019 17:31
Mathematics, 18.12.2019 17:31
Mathematics, 18.12.2019 17:31
Mathematics, 18.12.2019 17:31
Mathematics, 18.12.2019 17:31
Mathematics, 18.12.2019 17:31
Mathematics, 18.12.2019 17:31
Business, 18.12.2019 17:31
Social Studies, 18.12.2019 17:31
Physics, 18.12.2019 17:31
