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

Discrete and continous random variables, determine the required value of th...

determine the required value of the missing probality to make the distribution a discrete probability distribution

First quetion, what is accounting ?

what is accounting ?

Determine the simple linear regression model, You have collected data from ...

You have collected data from the factory on a critical to quality attribute. The attached Excel spreadsheet lists the response, Y and four potential predictors. You would like to m

Average Speed in Various Cases, Define Average Speed in Various Cases (a) ...

Define Average Speed in Various Cases (a) Particles covering different distances in different times say a particle covers s1 distance in time t1 ,s2 in time t2, s3 in time t3 and

Correlation and regression, What is regression analysis ? Discuss the relat...

What is regression analysis ? Discuss the relation between ''correlation coefficient'' and the ''regression coefficients''?

Study guide, Answers & examples of accounting for the follow on the file be...

Answers & examples of accounting for the follow on the file being sent to you.

Luxor case, Susan’s proposed budget for 2011 includes a substantial repayme...

Susan’s proposed budget for 2011 includes a substantial repayment of the bank loan. If the repayment occurs, is the firm likely to break even in 2012? Explain.

Time series, what are the importances of time series

what are the importances of time series

Ascertain the profit & loss, Depreciation during the financial year  The...

Depreciation during the financial year  The Resources which are bought during the economical season and its determined that the Depreciation will be incurred on them @ 10% PA it

Statistics is the backbone of decision-making, 1. (a) 'Statistics is the ba...

1. (a) 'Statistics is the backbone of decision-making'. Describe.     (b) 'Statistics is as good as the user'. Describe. 2.  Differentiate between the following with example.

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