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

Simple bar charts, pie charts

pie charts

What after the implementation of ifrs, What after the implementation of IFR...

What after the implementation of IFRS?  Manager 1: IFRS is only the first step towards the change that the SEC is trying to bring in. Firstly it is going to take a couple of year

10-k report information, Where are Cash Equivalents and Marketable Securiti...

Where are Cash Equivalents and Marketable Securities noted on a 10-K report? What needs to be included as a minimum disclosure?

Rockford Practice Set 14th Edition, I need help with the adjusting entries....

I need help with the adjusting entries.

State income tax, State income tax In most declares paycheck accounting...

State income tax In most declares paycheck accounting will involve a condition earnings tax. In those declares a company is necessary to hold the condition earnings tax that an

Historigrams, what is historigrams

what is historigrams

Quantitative techniques, what are the funtions of quantitative techniques

what are the funtions of quantitative techniques

Regarding trial balance, does interest realized come under debit or credit ...

does interest realized come under debit or credit side of trial balance pleases i need answer

Probabilities, 54% of teens own a music player, the probability that both t...

54% of teens own a music player, the probability that both the parent and the teen own music player is 0.264, what is the probability that parent owns music player given that teen

Self adaptive ga, During the execution of the search process, the whole pop...

During the execution of the search process, the whole populations are classified into subgroups by sufficiently analyzed the individuals' state. Each individual in a different subs

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