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

Employer''s fica tax rate for 2012, Employer's FICA tax rate for 2012 Th...

Employer's FICA tax rate for 2012 The employer's FICA tax amount for 2012 involves 1) the Public Protection tax amount of 6.2% of each individual's first $110,100 of income, inc

Sampling, z test problems

z test problems

Financial management, accounts receivable is an asset

accounts receivable is an asset

#13, A survey showed that 80% of the 1600 adult respondents believe in glob...

A survey showed that 80% of the 1600 adult respondents believe in global warming. Construct a 95% confidence interval estimate of the proportion of adults believing in global warmi

Determine the relative strength, The results of a study using focused compa...

The results of a study using focused comparison techniques showed that two independent variables distinguished between successful and unsuccessful negotiations with the US on secur

Cost behavior/classificationq, Shipping costs on Merchandise sold--it is a ...

Shipping costs on Merchandise sold--it is a variable cost, but is it a selling/adminstrative cost or product cost? Is it direct or indirect?

Estimate the cost of producing, Consider the manufacturing system presented...

Consider the manufacturing system presented in the article by Yu and Bricker (1993). The management would like to purchase new machine tools more reliable and more high accuracy

What is a sole proprietorship, What is a sole proprietorship? A sole pr...

What is a sole proprietorship? A sole proprietorship is a form of business organization that is owned by one person. The owner is referred to as a sole proprietor. In accoun

Books of original entry, Books of original entry Books of original entranc...

Books of original entry Books of original entrance are a record in which the various or many other transactions are initially and formally recorded and serve up as the straight so

Assignment, How much it will cost to get an assignment

How much it will cost to get an assignment

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