The amount of time that customers wait in line during peak hours at one bank is normally distributed with a mean of 13 minutes and a standard deviation of 3 minutes. The percentage of time that the waiting time lies between 11 and 13 minutes is equal to the area under the standard normal curve between _and _.

a).62,.77

b) -.67,0

c) - 2, 0

d) 0,.67

Question

Mathematics

Jonathon Martinez

23 October, 07:36

The amount of time that customers wait in line during peak hours at one bank is normally distributed with a mean of 13 minutes and a standard deviation of 3 minutes. The percentage of time that the waiting time lies between 11 and 13 minutes is equal to the area under the standard normal curve between _and _.

a).62,.77

b) -.67,0

c) - 2, 0

d) 0,.67

+5

Answers (1)

Know the Answer?

Fabian Hinton · Answer 1

Answer: I believe the answer is c) - 2, 0

Step-by-step explanation: The amount of time that customers wait in line during peak hours at one bank is normally distributed with a mean of 13 minutes and a standard deviation of 3 minutes then the answer should be c) - 2, 0?