To check the viability of the OHaganBooks

.com website, you as of late appointed a study of online customers. As indicated by the outcomes, 2% of online customers visited

OHaganBooks.com during a 1-week time frame, while 5% of

them visited at any rate one of OHaganBooks.com's two principle

contenders: JungleBooks.com and FarmerBooks.com. Use

this data to answer Exercises 43-50

What the review found is that 25% of online customers who

visited a contender additionally visited OHaganBooks.com. Given

this data, which level of online customers visited OHaganBooks.com and neither of its rivals?

The College Board reports that 2% of the 2 million high

school understudies who require the SAT every year get

uncommon facilities in view of archived inabilities

(Los Angeles Times, July 16, 2002). Consider

an irregular example of 25 understudies who have as of late

stepped through the exam.

a. What is the likelihood that precisely 1 got an uncommon

convenience?

b. What is the likelihood that in any event 1 got an exceptional

convenience?

c. What is the likelihood that at any rate 2 got an extraordinary

convenience?

d. What is the likelihood that the number among the 25

who got an uncommon convenience is inside 2

``8``

standard deviations of the number you would anticipate

to be obliged?

e. Assume that an understudy who doesn't get an uncommon

convenience is permitted 3 hours for the test,

while an obliged understudy is permitted

4.5 hours. What might you anticipate the normal time

permitted the 25 chose understudies to be?

Mopeds (little cruisers with a motor limit

under 50 cm3) are exceptionally well known in Europe in light of their

portability, simplicity of activity, and ease. The article

"Method to Verify the Maximum Speed of Automatic

Transmission Mopeds in Periodic Motor Vehicle

Assessments" (J. of Automobile Engr., 2008: 1615-1623)

portrayed a moving seat test for deciding most extreme

vehicle speed. A nor mal appropriation with mean worth

46.8 km/h and standard deviation 1.75 km/h is hypothesized.

Consider arbitrarily choosing a solitary such sulked.

a. What is the likelihood that greatest speed is at

most 50 km/h?

b. What is the likelihood that most extreme speed is at

least 48 km/h?

c. What is the likelihood that most extreme speed varies

from the mean worth by at most 1.5 standard deviations?

Clients at a corner store pay with a Visa (A), check card (B), or money (C). Expect that progressive clients settle on free decisions with P(A) = 0.4, P(B) = 0.2, and P(C) = 0.4.

(a) Among the following 100 clients, what are the mean and difference of the number who pay with a check card?

mean clients

difference customers2

Clarify your thinking.

Since we are keen on whether a check card was utilized, we can utilize the binomial appropriation. X = the likelihood that a client utilized a charge card.Because we are keen on whether a check card was utilized, we can utilize the binomial dissemination. X = the quantity of clients who utilize a charge card. Since we are keen on whether a charge card was utilized, we can utilize the binomial dissemination. X = the quantity of clients at the corner store.

(b) Answer section (a) for the number among the 100 who don't pay with cash.

mean clients

fluctuation customers2