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

Comparative analysis, what is the need

what is the need

Homophone disambiguation-unigram-bigram model , The BBC hosts a homophone q...

The BBC hosts a homophone quiz on its website; your task for this lab is to develop an automatic method for completing the quiz, with the aim being to get as high a score as possib

Variance analysis , Terry Co. manufactures a commercial solvent that is use...

Terry Co. manufactures a commercial solvent that is used for industrial maintenance. This solvent is sold by the drum and generally has a stable selling price. Due to a decrease in

Define Betterment, Define Betterment An inclusion created to, or modify cr...

Define Betterment An inclusion created to, or modify created in, an investment resource, other than servicing, that is estimated to improve its predicted useful life or to improve

conversion process from gaap to ifrs, When do you think the conversion pro...

When do you think the conversion process should start? Manager 1 : The conversion process from GAAP to IFRS will be a big challenge. There are a lot of differences between the

#title.Arithmatic mean., If the mean of first 5 no. is 60 and mean of last ...

If the mean of first 5 no. is 60 and mean of last 5 no. is 55 then what is the 5th no.

Test retest reliability, i have a scaled data on multiple questions from tw...

i have a scaled data on multiple questions from two different tests taken at different times for the same respondents, and now i want to calculate the reliability test manually but

Biostatistics by wayne daniel, solution manual

solution manual

Regression and non-regression., difference between regression or non-regres...

difference between regression or non-regression

Correlation and regression, The square of the sample correlation coefficien...

The square of the sample correlation coefficient is typically denoted r2 and called the coefficient of determination. It estimates the fraction of the variance in Y that is explain

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