Mathematics
Mathematics, 23.09.2019 15:30, paigeleahfarbeoy2ork

The probability that your call to a service line is answered in less than 30 seconds is 0.75. assume that your calls are independent. (a) if you call 11 times, what is the probability that exactly 9 of your calls are answered within 30 seconds? round your answer to four decimal places (e. g. 98.7654). (b) if you call 20 times, what is the probability that at least 16 calls are answered in less than 30 seconds? round your answer to four decimal places (e. g. 98.7654). (c) if you call 26 times, what is the mean number of calls that are answered in less than 30 seconds? round your answer to the nearest integer.

answer
Answers: 2

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 19:00, megababe04
What are the solutions of the equation? 16x^2 + 24x + 5 = 5 a. 1/4, 5/4 b. -1/4, -5/4 c. -1/4, 5/4 d. 1/4 , -5/4
Answers: 1
image
Mathematics, 22.06.2019 00:10, evryday2285
Sasha delivers newspapers to subscribers that live within a 4 block radius of her house. sasha's house is located at point (0, -1). points a, b, c, d, and e represent the houses of some of the subscribers to the newspaper. to which houses does sasha deliver newspapers?
Answers: 1
image
Mathematics, 22.06.2019 00:20, ridzrana02
Jubal wrote the four equations below. he examined them, without solving them, to determine which equation has no solution. which of jubal’s equations has no solution hurry
Answers: 1
image
Mathematics, 22.06.2019 04:00, taylor825066
What is the inverse of the function fx = 2x-10
Answers: 1
Do you know the correct answer?
The probability that your call to a service line is answered in less than 30 seconds is 0.75. assume...

Questions in other subjects:

Konu
Mathematics, 19.02.2021 05:10
Konu
Mathematics, 19.02.2021 05:10
Konu
Mathematics, 19.02.2021 05:10
Konu
Mathematics, 19.02.2021 05:10
Konu
Mathematics, 19.02.2021 05:10