1.Mayank plays exactly one sport everyday. It can be football or basketball or chess. Forhim, the probability ofplaying chess on a random day is twice as that of playing footballand one third of the probability of playingbasketball. What is the probability that in thenext week, he will play basketball in 3 days, chess in 2 days andfootball in the remainingdays?

The sport played by Mayank can be football or basketball or chess. Let the probability that Mayank…

Answered: 1.Mayank plays exactly one sport…

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...

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Similar questions

If Luis has 8 pairs of socks (4 white, two black, one blue, and one red), what is the probability that he randomly chooses two pairs of white socks to wear on consecutive days?
If Brian gets 7 random cards from a standard deck of card, what is the probability that he will get exactly 4 hearts and 3 aces?
On average a certain intersection results in 3 traffic accidents per month. What is the probability that for any given month at this intersection: 5 or 6 accidents in half of a year?
at a highschool with 200 students 32 play soccer 18 play basket ball and 8 play both sports. if a student is selected random find the probability that a student play soccer or basket ball
Three Bananas and three oranges are kept in a box. If two fruits are chosen at random, Find the probability that one is Banana and another one is orange?
A group of six students is chosen at random from a list of five maths students and four psychology students. What is the probability that four maths students and two psychology students are chosen?
Bonnie and Connie are twins with identical purses. Bonnie needs 35 cents to pay for a parking meter. Suppose that Bonnie's purse has 5 quarters, 3 dimes, and 2 nickels while Connie's purse has 2 quarters, 5 dimes, and 3 nickels in it. Not being able to tell the difference between the purses, Connie picks one at random and grabs two coins from it. What is the probability that Bonnie picked her own purse given that she drew out enough change to pay for her parking meter? (Note: Bonnie needs to put in at least 35 cents to pay her parking meter.)
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 )
A spinner has 3 possible outcomes: red, blue, and green. The probability the spinner lands on red is 0.20. If the spinner is spun 5 times, what is the probability it lands on red exactly three times?
A student has a total of 10 books and 3 of her books are science fiction. If she arranges them on a shelf randomly, what is the probability that the 3 science fiction books are all together?
A committee of three people is to be randomly selected from a group of 20 men and 17 women. What is the probability that all three people will be women?
A3. Suppose that Ahmed selects a ball by first picking one of the two boxes at random and selecting a ball from this box at random. The first box contains 3 white balls and 2 blue balls, and the second box contains 1 white balls and 4 blue balls. What is the probability that Ahmed picked a ball from the second box if he has selected a white ball?

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