Stats, 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)

Related Discussions:- Stats

Cost accounting, wat is cost accounting and wats its scope ?

wat is cost accounting and wats its scope ?

Indirect method, in my home work it is a balance sheet 12/31/2010 12/3...

in my home work it is a balance sheet 12/31/2010 12/31/2009 accounts recievable 8000 10000 below it has letter a b c d e f-k wanting the letter with the explaination a

Find an equivalent martingale and state prices, It is a sunny Tuesday after...

It is a sunny Tuesday afternoon in the perfectly manicured harbourside city of Sydney. Dressed in your favourite pin stripe Gucci (Black Label thank you very much) and those hand c

The correlation coefficient to identify collocations, Would there be a poss...

Would there be a possibility to use the correlation coefficient to identify collocations? Compare with the Chi2 test. • How could we maybe do that?

Ruels, pzl give me ans

pzl give me ans

Normal distribution, For a normal distribution why do we calculate the prob...

For a normal distribution why do we calculate the probability of a range of numbers instead of the probability of a single number?

Index numbers, discuss the considerations to be borne in mind when construc...

discuss the considerations to be borne in mind when constructing index numbers

Linear regression model, Q. Explain Linear Regression model? Ans. ...

Q. Explain Linear Regression model? Ans. Linear correlation measures the strength of a linear relationship, but not the exact numerical relationship. Linear regression, o

Write Your Message!

Captcha
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!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd