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

General linear regression model, find the variance of least square estimato...

find the variance of least square estimator beta hat for general linear regression model

Median graph(less than), Marks(less than)-10,20,30,40,50,60,70,80 Number of...

Marks(less than)-10,20,30,40,50,60,70,80 Number of students-4,8,25,34,41,46,50,60 Draw a median graph for the followin

Calculate present value-hpr and future value , Semiannual coupon = 10%*$100...

Semiannual coupon = 10%*$100/2 = $5 Since it is one-year semiannual bond, it pays two coupons, one at six months from now and the other at maturity when the bank account will be

Time series, explain tthe two uses of time serie, and the four components o...

explain tthe two uses of time serie, and the four components of time series?

Types of assets, explain different types of assets..

explain different types of assets..

Differences between ifrs and gaap, While the differences between IFRS and G...

While the differences between IFRS and GAAP are reducing, there still are significant differences between the two. While the IFRS has been developed by the IASB (International A

Co-planer forces, the resultant of two perpandicular forces of magnitude p ...

the resultant of two perpandicular forces of magnitude p each will be

How audit works , A methodical selection of the adequate, qualified evident...

A methodical selection of the adequate, qualified evidential issue needed to verify the equity of management''s claims in the fiscal reports or to assess whether management has wis

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