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

Explain accounting Accumulated depreciation , A contra-asset assessment con...

A contra-asset assessment consideration used to history the buildup of regular credit created to indicate the conclusion of the approximated useful life of investment resources.

Anti smoking pills , Company hopes to improve customer satisfaction, setti...

Company hopes to improve customer satisfaction, setting a goal of no more than 5% negative comments. A random survey of 350 customers found only 14 with complaints. Does this provi

S, What is samplings and its methods

What is samplings and its methods

Definition of Capital Market, Definition of capital market is termed as a m...

Definition of capital market is termed as a market where shares are traded after an initial issue. Capital market is the market where corporations, companies, and government debt

Time series, time series use in indian economy

time series use in indian economy

Frequency distribution, What happens to the arithmetic mean when you add th...

What happens to the arithmetic mean when you add the same number to all the scores of the distribution?

The accounting equation, why are assets always equal to liabilities

why are assets always equal to liabilities

Moderate negative correlation, I want as much information about moderate ne...

I want as much information about moderate negative correlation.

Projectile, two object are on the same level we release the first one verti...

two object are on the same level we release the first one vertically and the other one with an initial velocity which object will land first?

T distribution, t distribution has proportionately smaller areas in its tai...

t distribution has proportionately smaller areas in its tail than normal distribution. is it true?

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