Solution Found!

Applied Statistics and Probability for Engineers | 6th Edition | ISBN: 9781118539712 | Authors: Douglas C. Montgomery, George C. Runger
Change Question

A Web site randomly selects among 10 products to discount

Chapter 3, Problem 135E

(choose chapter or problem)

Get Unlimited Answers
QUESTION:

Problem 135E

A Web site randomly selects among 10 products to discount each day. The color printer of interest to you is discounted today.

(a) What is the expected number of days until this product is again discounted?

(b) What is the probability that this product is first discounted again exactly 10 days from now?

(c) If the product is not discounted for the next five days, what is the probability that it is first discounted again 15 days from now?

(d) What is the probability that this product is first discounted again within three or fewer days?

Questions & Answers

QUESTION:

Problem 135E

A Web site randomly selects among 10 products to discount each day. The color printer of interest to you is discounted today.

(a) What is the expected number of days until this product is again discounted?

(b) What is the probability that this product is first discounted again exactly 10 days from now?

(c) If the product is not discounted for the next five days, what is the probability that it is first discounted again 15 days from now?

(d) What is the probability that this product is first discounted again within three or fewer days?

ANSWER:

Solution:

Step 1 of 5:

Let X follows the Geometric distribution with the density

P(X=x) =

Where, p = 0.1

Add to cart

Study Tools You Might Need

Chapter: 1 Problem: 36P

An Introduction to Thermal Physics 1
Problem 36P In the course of pumping up a bicycle tire, a liter of air at atmospheric pressure is compressed adiabatically to a pressure of 7 atm. (Air is mostly diatomic nitrogen and oxygen.) (a) What is the final volume of this air after compression? ________________ (b) How much work is done in

Chapter: 10 Problem: 10.44

Classical Mechanics 0
An axially symmetric space station (principal axis e3, and Xi = X2) is floating in free space. It has rockets mounted symmetrically on either side that are firing and exert a constant torque r about the symmetry axis. Solve Euler's equations exactly for co (relative to the body axis) and describe the

Chapter: Problem: 1

Myers' Psychology for AP 2
Which of the following is the best term or phrase for the unselfish concern for the welfare of others? a. Assuming responsibility b. Bystander intervention c. Altruism d. Bystander effect e. Diffusion of responsibility

Chapter: 14 Problem: 14.23

Campbell Biology 9
A man has six fingers on each hand and six toes on each foot. His wife and their daughter have the normal number of digits. Remember that extra digits is a dominant trait. What fraction of this couples children would be expected to have extra digits?

Chapter: 9 Problem: 20

Elementary Statistics: A Step by Step Approach 8th ed. 8
Battery Voltage Two brands of batteries are tested, and their voltage is compared. The data follow. Find the 95% confidence interval of the true difference in the means. Assume that both variables are normally distributed. 0.3 _ m1 _ m2 _ 0.5 Brand X Brand Y _ 9.2 volts _ 8.8 volts s1 _ 0.3 volt s2 _

Chapter: 3 Problem: 1

Public Finance: A Contemporary Application of Theory to Policy 11
What are externalities? Use a supply-and-demand analysis to show how a negative or positive externality prevents a perfectly competitive market from achieving efficiency.

Chapter: 5 Problem: 6

Psychology 5
Which explanation of dreams proposes that they are produced when the mind attempts to make sense of random neural activity that occurs in the brain during sleep? a. Freuds psychoanalytic theory b. the activationsynthesis model c. the cognitive unconscious model d. the manifest content framework

Chapter: 36 Problem: 1

Principles of Economics 9
What causes the lags in the effect of monetary and fiscal policy on aggregate demand? What are the implications of these lags for the debate over active versus passive policy?

Not The Solution You Need? Search for Your Answer Here:

×

Login

Login or Sign up for access to all of our study tools and educational content!

Forgot password?
Register Now

×

Register

Sign up for access to all content on our site!

Or login if you already have an account

×

Reset password

If you have an active account we’ll send you an e-mail for password recovery

Or login if you have your password back