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

Problem Set, I have an assignment requiring SPSS analysis and ANOVA. Can y...

I have an assignment requiring SPSS analysis and ANOVA. Can you do this assignment due by Aug 13. There are three sets of questions for each lesson totaling 3 assigned chapters.

Time series analysis, Limitation of time series analysis

Limitation of time series analysis

SOURCES OF PRIMARY DATA, LIST OUT THE SOURCES OF PRIMARY AND SECONDARY DAT...

LIST OUT THE SOURCES OF PRIMARY AND SECONDARY DATA

Explain hypothesis test, Oprah Winfrey endorsed Barack Obama in the Democra...

Oprah Winfrey endorsed Barack Obama in the Democratic presidential primary. Does Oprah's endorsement make a difference? If so, we would expect support for Obama to be higher among

Mean - median and frequencies, Put the appropriate summary statistics, e.g....

Put the appropriate summary statistics, e.g. mean, median, frequencies, percentages, for the different variables into a table to make them concise. You can see examples of consise

Cash discount., Cash discount A payment received, given if payment is comp...

Cash discount A payment received, given if payment is completed within a stated age of occasion, Refer to TRADE DISCOUNT,

Qualitative features of financial, Conceptual Structure has also resolved s...

Conceptual Structure has also resolved several issues which were uncertain by sales expectations for some time. Activities and dealings that can't be worked by designed financial s

Homework, I will need to upload the question sheets.

I will need to upload the question sheets.

Calculate the probability , In the 2009 Season, the Toronto Blue Jays finis...

In the 2009 Season, the Toronto Blue Jays finished the season with a record of 75-87. In 47 of those games, both the offense and defense performed adequately, and in 42 of them, ne

Data analysis, how datas are analysed

how datas are analysed

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