Suppose that the likelihood that someone who logs onto a particular site in a "shopping mall on the World Wide Web will purchase an item is 0.20. If the site has, 12 people accessing it in the next minute, what is the probability that (a) (b) (c) none of the individuals will purchase an item? exactly two individuals will purchase an item? at least two individuals wil1 purchase an item?

Suppose that the likelihood that someone who logs onto a particular site in a "shopping mall on the World Wide Web will purchase an item is 0.20. If the site has, 12 people accessing it in the next minute, what is the probability that (a) (b) (c) none of the individuals will purchase an item? exactly two individuals will purchase an item? at least two individuals wil1 purchase an item?

Name: Boom0.250.35Find the expected return and the standard deviationSuppos
Uploaded: 2024-03-20T07:06:41.000Z
Channel: Bartleby
Description: Boom0.250.35Find the expected return and the standard deviationSuppose that the likelihood that someone who logs onto a particular site in a "shoppingmall on the World Wide Web will purchase an item is 0.20. If the site has, 12 peopleaccessing it in

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

See similar textbooks

Similar questions

Of one card is drawn from a standard deck of cards, what is the probability that the card will be a club ?
At a certain intersection there are about 0.660 accidents every month. What is the probability that next month there will be between at least 2 and at most 5 accidents at that intersection?
Suppose that the New England Colonials baseball team is equally likely to win a game as not to win it. If 4 Colonials games are chosen at random, what is the probability that exactly 3 of those games are won by the Colonials?
An insurance agent sells the policies to 20 persons having same age and in good health. Based on the company's record, the probability that person in this age will live for the next 20 years is 2/3. Find the probability (a) 8 persons, (b) at most 7 persons, (c) more than 7 persons, (d) at least 3 persons, (e) more than 6 persons but less than 11 persons are still alive at the end of this 20 years period. The probability for a mango tree from a certain type, will produce fruits in the first year is 0.8. Each time, the mango trees seller sells about 5 trees to the buyer with the guarantee that if less than 3 trees produce fruits in the first year, he will replace them according to the number of trees which do not produce fruits. (a) Calculate the probability that there will no replacement. (b) If he sells the trees to 3000 buyers that are 5 trees to each buyer, how many trees are expected to be replaced?
Three students from a 21 student class will be selected to attend a meeting. 7 of the students are female. what is the probability that all three of the students chosen to attend the meeting are female?=
A law professor observed that only 20% of the students who get admitted to the freshmen class usually reached fourth year. Assuming that this is correct, find the probability that among 15 randomly selected first year students, exactly 3 students will reach fourth year?
The average number of cargo ships arriving at a port is known to be 5 per day. The port facility can accommodate at most 8 ships per day. What is the probability that on any given day ships would be turned away and asked to wait in an adjacent harbor?
Please answer the first question
If 12 coins are tossed, what is the probability that six of them will be heads (approximately)?
A country is visited by 6 typhoons on average in a year. What is that probability that there is no typhoon for the next month?
Three students from a 14 student class will be selected to attend a meeting. 9 of the students are female. What is the probability that all three of the students chosen to attend the meeting are female? =
Suppose that, on average, the number of car accidents in US are 6 per day (which has 24 hours). i. Determine the probability that at least 4 accidents will occur in 12 hour period. ii. In a two days, if there were 8 car accidents in US, what is the probability that 2 accidents have occurred in the first 12 hours of the two days?