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

Statistics for people who hate statistics, what third variable might effect...

what third variable might effect fathers gpa and childs social skills

Pebblemerchant, pebblemerchant program

pebblemerchant program

Standard deviation, Standard Deviation: The standard deviation is a gauge o...

Standard Deviation: The standard deviation is a gauge of the variance, or dispersion, of the market return over its average returns. Thus Standard Deviation gives an insight of tot

Explain correlation coefficients, 1. What type of correlation coefficient w...

1. What type of correlation coefficient would you use to examine the relationship between the following variables? Explain why you have selected the correlation coefficients. A.

Dil jaley, one two

one two

Determine ytm price formula, YTM can be determined using the price formula...

YTM can be determined using the price formula of a bond. Part a The present value (price) formula for a zero coupon bond is: PV = F/(1+i) n Plugging in the given inf

Managerial accounting homework, Your friend Jose is trying to decide whethe...

Your friend Jose is trying to decide whether to buy or lease his next vehicle. He has gathered information about each option but is not sure how to compare the alternatives. Purcha

Is venus geologically active, Is Venus geologically active? -It is almost ...

Is Venus geologically active? -It is almost certain that Venus, a planet almost of the same size as earth is geologically active. Recent studies show that there is Volcanic and t

Correlation, what are the condition to use probable error

what are the condition to use probable error

Variation Coefficient, Variation Coefficient The standard deviation discus...

Variation Coefficient The standard deviation discussed above is an absolute measure of dispersion. The corresponding relative measure is known as the coefficient of variation. Thi

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