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answerhappygod
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MATH&146 W22 10. At a car dealership, customers get to put their name in a bowl to win a free car wash. This week there are 57 names in the bowl, and 4 names will be drawn to win a car wash. How many ways can these 4 names be chosen? (Know both permutation and combination examples.) 11. A sandwich shop offers 2 different bread choices, 4 meat choices, and 3 cheese choices. How many different sandwich combinations are there? 12. An urn contains 6 blue and 5 red marbles. Reach in and grab one marble and then another (without replacing the first one). What is the probability that you have chosen 2 red marbles? 13. A standard deck of playing cards has 52 cards and 12 face cards (4 Jacks, 4 Queens, and 4 Kings). Draw one card at random. (Hint for the exam... the sample space will be rolling 2 dice.) # ♥ ↓ 1. ♥ B AS B. 9 4 24 24+ . . . ... .. a) Find P(choosing a King). b) Find P(choosing a King | the card is a face card). c) Are King and face card independent?
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MATH&146 W22 10. At a car dealership, customers get to put their name in a bowl to win a free car wash. This week there are 57 names in the bowl, and 4 names will be drawn to win a car wash. How many ways can these 4 names be chosen? (Know both permutation and combination examples.) 11. A sandwich shop offers 2 different bread choices, 4 meat choices, and 3 cheese choices. How many different sandwich combinations are there? 12. An urn contains 6 blue and 5 red marbles. Reach in and grab one marble and then another (without replacing the first one). What is the probability that you have chosen 2 red marbles? 13. A standard deck of playing cards has 52 cards and 12 face cards (4 Jacks, 4 Queens, and 4 Kings). Draw one card at random. (Hint for the exam... the sample space will be rolling 2 dice.) # ♥ ↓ 1. ♥ B AS B. 9 4 24 24+ . . . ... .. a) Find P(choosing a King). b) Find P(choosing a King | the card is a face card). c) Are King and face card independent?
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