Multiple Choice
The manager of a computer help desk operation in Moncton has collected enough data to conclude that the time per call is normally distributed with a mean equal to 8.21 minutes and a standard deviation of 2.14 minutes. What is the probability that three randomly monitored calls will each be completed in 4 minutes or less?
A) about 0.00001
B) about 0.4756
C) about 0.0244
D) about 0.0732
E) about 0.1076
Correct Answer:
Verified
Correct Answer:
Verified
Q14: Consider the following to answer the question(s)
Q15: The city of Halifax has determined that
Q16: Consider the following to answer the question(s)
Q17: Consider the following to answer the question(s)
Q18: A company believes that there is a
Q20: The owner of a pet store is
Q21: It is assumed that the time between
Q22: A shareholder believes that in one year,
Q23: The probability model for random variable X
Q24: A company's manufacturing process uses 500 litres