Assignment:
The Information System Audit and Control Association surveyed office workers to learn about the anticipated usuage of office computers for personal holiday shopping. Assume that the number of hours a worker spends doing holiday shopping on an office computers an exponential distribution.
A) The study reported that there is a 0.53 probability that a worker uses an office computer for holiday shopping 5 hours or less. Is the means time using an office computer for holiday shopping closest to 5.8, 6.2, 6.6 or 7 hours?
B) Using the mean time from part (a), what is the probability that a worker uses an office computer for holiday shopping more than 10 hours?
C) What is the probabilty that a worker uses an office computer for holiday shopping between 4 and 8 hours?
Provide complete and step by step solution for the question and show calculations and use formulas.