The Manager of the Local Grocery Store Has Determined That,on

question 29

Multiple Choice

The manager of the local grocery store has determined that,on average,4 customers use the service desk every half-hour.Assume that the number of customers using the service desk has a Poisson distribution.What is the probability that during a randomly selected half-hour period,no more than 2 customers use the service desk?

• A) .2381
• B) .1465
• C) .7619
• D) .8535
• E) .0916