An advertising executive receives an average of 10 telephone ...

[Lobcity]

An advertising executive receives an average of 10 telephone calls each afternoon between 2 and 4 pm. The calls occur randomly and independently of one another. A) Find the probability that the executive will receive 12 calls between 2 and 4 pm on a particular afternoon. B) Find the probability that the executive will receive eight calls between 2 and 3 pm on a particular afternoon. C) Find the probability that the executive will receive at least six calls between 2 and 4 pm on a particular afternoon.

Question 2

Phone calls arrive at the rate of 30 per hour at the reservation desk for a hotel. A) Find the probability of receiving three calls in a five-minute interval of time. B) Find the probability of receiving exactly seven calls in 15 minutes. C) If no calls are currently being processed, what is the probability that the desk employee can take ten minutes break without being interrupted?

[bimper21]

Answer to Question 1

0.0948; 0.0653; 0.9329

Answer to Question 2

0.2138; 0.1465; 0.0067

[Lobcity]

Thank you

[bimper21]

No problemo