Answer to Question #52391 in Statistics and Probability for Bob

Question #52391
Customers arrive at a particular store at the rate of 30 customers per hour.

1. What is the probability of 15 customers arriving in an hour?

a. .500
b. .001
c. .617
d. .100

2. What is the probability of 10 customers arriving in a 20-minute interval?

a. .500
b. .000
c. .125
d. 1.00

3. What is the probability of at least 2 customers arriving in a 5-minute interval?

a. .257
b. .713
c. .743
d. .287

4. What is the probability of 3 customers arriving in a 5-minute interval?

a. .000
b. .214
c. .500
d. .100
1
Expert's answer
2015-05-06T10:47:43-0400
The answer to the question is available in the PDF file https://www.assignmentexpert.com/https://www.assignmentexpert.com/homework-answers/mathematics-answer-52391.pdf

Need a fast expert's response?

Submit order

and get a quick answer at the best price

for any assignment or question with DETAILED EXPLANATIONS!

Comments

Assignment Expert
18.09.18, 14:32

It is given that the mean in the hour interval (that is, 60-minutes interval) is 30,then 30/60=0.5 is the mean in the 1-minute interval and 30/60*5=0.5*5=2.5 is the mean in the 5-minutes interval.

Sarah
18.09.18, 05:46

I am working on question "what is the probability of 3 customers arriving in a 5 min interval?" Looking at the solution, where does the 2.5 come from?

Leave a comment

LATEST TUTORIALS
New on Blog
APPROVED BY CLIENTS