User Account

All Pages

statistics, Basic Statistics

Assignment Help:
1. A search engine site claims that, on average, one out of five visitors clicks on an ad.
(a) If 8 users visit the site, what is the probability that at least three click on an ad?
(b) If 8 users visit the site, what is the probability that less than two of them click on an ad?
(c) If 800 users visit the site, would the probability that less than 200 click on an ad be higher or lower than the answer found in part (b)? Write a few sentences explaining your answer- computations are not required (or desired)
(d) Suppose 90 users visit the site during a particular minute, use the normal approximation to estimate the probability that more than 25 of them click on an ad.
(e) If 900 users visited the site, would the probability that more than 250 of them click on an ad be higher or lower than the answer found in part (d)? Write a few sentences explaining your answer- computations are not required (or desired)

2. Suppose that, overall, 5% of all tax returns are audited by the IRS.
(a) If an accountant has 7 clients for whom she prepared tax returns, what is the probability that less than 3 will be audited?
(b) If the accountant has 30 clients, what is the probability that at least one is audited?
(c) Suppose the accountant prepares 500 returns, use the normal approximation to estimate the probability that more than 20 of the returns are audited.

Related Discussions:- statistics

The decision tree costs and benefits of present value, Question: Imagin...

Question: Imagine that your client, Hillside County Forest Preserve (HCFP), is considering how best to protect their natural lagoons.  They have asked for your help, and you ha

Histogram, defference between historigrams & histogram

defference between historigrams & histogram

Bond redemption, Bond redemption The regaining of control of bonds formerly...

Bond redemption The regaining of control of bonds formerly issued by expense of amount due to the owner.

Rehearsal methods, A teacher is interested in comparing the effects of 3 di...

A teacher is interested in comparing the effects of 3 different parts of rehearsal methods (Rote rehearsal, Imagery, and Story) on number of words recalled. Participants are random

Example on cluster sampling, "A company of accountants has branches in fiv...

"A company of accountants has branches in five regions, Port Louis (PL), Curepipe (CPE), Beau Bassin (BB), Rose Hill (RH) and Quatre Bornes (QB). It employs the following number

Estimate the proportion of lake trout with lamprey scars, In a certain lake...

In a certain lake a limnologist wishes to estimate the proportion of lake trout with lamprey scars. (a) How large of a random sample should be taken if the limnologist has no pr

Business tax accounting , #questLester rents his vacation home for 6 months...

#questLester rents his vacation home for 6 months and lives in the home during the other 6 months of 2010. The gross rental income from the home is $4,500. For the entire year, rea

Live experts, can I talk to them online

can I talk to them online

Describing univeriate data, X 420 610 625 500 400 550 650 480 565 Y 2.80 3...

X 420 610 625 500 400 550 650 480 565 Y 2.80 3.60 3.75 3.00 2.50 2.70 3.50 3.90 2.0 2.95 3.30 Calculate te covarience anf the correlatio coeficient. Comment on the relationship be

Help, How many different license plate of 5 digits can be made if the most ...

How many different license plate of 5 digits can be made if the most let digit is 4 and the second digit from left is an odd number

Write Your Message!

Captcha
Order Assignment

Featured Services

Order Now

Popular Subjects

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +91-977-207-8620

Phone: +91-977-207-8620

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd