3651. A can hit a target two times out of 3, B three times out of 7 and C four times out of9. What is the probability that the target will be hit by 2 persons only when all three try?

Answered: Image /qna-images/answer/53dd0c45-743a-49ec-8249-82a77f86e8c4.jpg

Answered: 36 51. A can hit a target two times out…

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

18. A jar contains 10 red marbles and 12 green marbles. You reach in the jar and pull out two marbles at random. What is the probability that both of the marbles chosen are green? Edit View Insert Format Tools Table
The probability that if we choose 10 people randomly there are at least 2 smokers is 0.4557. The probability that there are at most 2 smokers is 0.8202. Find the probability that there are precisely 2 smokers.
A jar contains 6 red marbles, 7 green marbles, and 7 blue marbles. What is the probability that you draw 3 green marbles in a row if you do replace the marbles after each draw? = What is the probability that you draw 8 blue marbles in a row if you don't replace the marbles after each draw? :
The probability that a trainee will remain with a company is 0.6. the probability that am employee earnsbmore than k10,000 per month is 0.5. the probability that an employee who is a trainee remained with the company or who earns more than k10,000 per month is 0.7. what is the probability that an employee earns more than k10,000 per month given that he is a trainee who stayed with the company
A4. Five marbles are to be chosen at random from 8 red marbles and 5 yellow marbles, Find the probability that a all 5 marbles are red. b. at least 2 marbles are red. c 3 marbles are red and 2 marbles are yellow.
A lock consists of 3 dials, where each dial has 4 letters. What is the probability of guessing the right combination in one try? Kay has an 80% probability of making a free-throw in basketball, and each free-throw is independent. Kay gets to take 2 free-throws and must make both to win the game. What is the probability that Kay's team will win the game? Two owners of a cattle ranch, Jo and Val, want to find the average weight for the ranch’s 200 cows. Instead of weighing all of the cows: Jo weighs 25 cows and gets an average weight of 1,350 pounds (stdev 50) Val weighs 100 cows and gets an average weight of 1,420 pounds (stdev 50) What is Jo’s margin of error, rounded to the nearest whole number? (The formula is )
Use the data in the table below, which shows the employment status of individuals in a particular town by age group. Part-time Unemployed Age Full-time 0-17 25 187 252 18-25 391 200 199 26-34 434 66 22 35-49 562 192 149 50+ 461 170 237 If a person is randomly chosen from the town's population, what is the probability that the person is under 18 or employed part-time?
In the statistics, there 20 Malays, x Indians and 10 Chinese's students in a seminar and find the probability of choose a Malay student is 9
Two diced are tossed 216 times. How many times would you expect to get a sum of 4?
A bag contains 4 balls. Each ball is a single color, and 3 distinct colors are represented in the bag. What is the probability that the first 3 balls selected without replacement are the same color? Express your answer as a common fraction.

Recommended textbooks for you

A First Course in Probability (10th Edition)

Probability

ISBN:

9780134753119

Author:

Sheldon Ross

Publisher:

PEARSON

A First Course in Probability

Probability

ISBN:

9780321794772

Author:

Sheldon Ross

Publisher:

PEARSON

A First Course in Probability (10th Edition)

Probability

ISBN:

9780134753119

Author:

Sheldon Ross

Publisher:

PEARSON

A First Course in Probability

Probability

ISBN:

9780321794772

Author:

Sheldon Ross

Publisher:

PEARSON

SEE MORE TEXTBOOKS

36 51. A can hit a target two times out of 3, B three times out of 7 and C four times out of 9. What is the probability that the target will be hit by 2 persons only when all three try?