plan own. Find the mean, variance, and standard devia- tion for the distribution. 15. Lottery Prizes A lotte $500 prize, and five $1 are sold at $3 each. Fin X 1 2 3 Р(X) buys one ticket. 0.27 0.46 0.21 0.05 0.01 16. Lottery Prizes In Exe 10. Pizza Deliveries A pizza shop owner determines the number of pizzas that are delivered each day. Find the mean, vari ance, and standard deviation for the distri- bution shown. If the manager stated that 45 pizzas were delivered on one day, do you think that this is a believ- person buys two ticket is replaced after each win more than one pri 17. Winning the Lottery selects a three-digit n able claim? she can win $500. Fir daily lottery, if a pers $80. Find the expecta for $1 and boxed. (W win when the digits c Number of deliveries X 35 36 37 38 39 Probability P(X) 0.1 0.2 0.3 0.3 0.1 11. Grab Bags A convenience store has made up 20 grab bag gifts and is offering them for $2.00 a bag. Ten bags contain merchandise worth $1.00. Six bags contain mer- chandise worth $2.00, and four bags contain merchan- dise worth $3 .00. Suppose you purchase one bag. What is your expected gain or loss? 18. Life Insurance A 3 $100,000 term life in ment of $360. Based government, the pro year is 0.999057. Fi for the insurance co 12. Job Bids A landscape contractor bids on jobs where he can make $3000 profit. The probabilities of getting 1, 2, 3, or 4 jobs per month are shown. 19. Roulette A roulett 36, 0, and 00. One- 36 are red, and the green. A ball is rol 38 slots, giving a (winnings) for a S 4 3 2 1 Number of jobs 0.1 0.4 0.3 0.2 Probability Red or black $ Find the contractor's expected profit per month. 13. Rolling Dice If a person rolls doubles when she tosses two dice, she wins $5. For the game to be fair, how much should she pay to play the game? S Odd or even 1-18 9-36 14. Dice Game A person pays $2 to play a certain game by rolling a single die once. If al ora2 comes up, the per- son wins nothing. If, however, the player rolls a 3, 4, 5, or 6, he or she wins the difference between the number rolled and $2. Find the expectation for this game. Is the If a person bets a. Red b. Even c. 00 game fair? EA

plan own. Find the mean, variance, and standard devia- tion for the distribution. 15. Lottery Prizes A lotte $500 prize, and five $1 are sold at $3 each. Fin X 1 2 3 Р(X) buys one ticket. 0.27 0.46 0.21 0.05 0.01 16. Lottery Prizes In Exe 10. Pizza Deliveries A pizza shop owner determines the number of pizzas that are delivered each day. Find the mean, vari ance, and standard deviation for the distri- bution shown. If the manager stated that 45 pizzas were delivered on one day, do you think that this is a believ- person buys two ticket is replaced after each win more than one pri 17. Winning the Lottery selects a three-digit n able claim? she can win $500. Fir daily lottery, if a pers $80. Find the expecta for $1 and boxed. (W win when the digits c Number of deliveries X 35 36 37 38 39 Probability P(X) 0.1 0.2 0.3 0.3 0.1 11. Grab Bags A convenience store has made up 20 grab bag gifts and is offering them for $2.00 a bag. Ten bags contain merchandise worth $1.00. Six bags contain mer- chandise worth $2.00, and four bags contain merchan- dise worth $3 .00. Suppose you purchase one bag. What is your expected gain or loss? 18. Life Insurance A 3 $100,000 term life in ment of $360. Based government, the pro year is 0.999057. Fi for the insurance co 12. Job Bids A landscape contractor bids on jobs where he can make $3000 profit. The probabilities of getting 1, 2, 3, or 4 jobs per month are shown. 19. Roulette A roulett 36, 0, and 00. One- 36 are red, and the green. A ball is rol 38 slots, giving a (winnings) for a S 4 3 2 1 Number of jobs 0.1 0.4 0.3 0.2 Probability Red or black $ Find the contractor's expected profit per month. 13. Rolling Dice If a person rolls doubles when she tosses two dice, she wins $5. For the game to be fair, how much should she pay to play the game? S Odd or even 1-18 9-36 14. Dice Game A person pays $2 to play a certain game by rolling a single die once. If al ora2 comes up, the per- son wins nothing. If, however, the player rolls a 3, 4, 5, or 6, he or she wins the difference between the number rolled and $2. Find the expectation for this game. Is the If a person bets a. Red b. Even c. 00 game fair? EA

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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