This topic contains a solution. Click here to go to the answer

Author Question: An advertising executive receives an average of 10 telephone calls each afternoon between 2 and 4 ... (Read 175 times)

Lobcity

  • Hero Member
  • *****
  • Posts: 524
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?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bimper21

  • Sr. Member
  • ****
  • Posts: 309
Answer to Question 1

0.0948; 0.0653; 0.9329

Answer to Question 2

0.2138; 0.1465; 0.0067





 

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

Everyone has one nostril that is larger than the other.

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

For a complete list of videos, visit our video library