CHAPTER 11 Test 759 15. Puppies A litter of collie puppies consists of four males and five females. If one of the puppies is randomly selected, determine the odds a) against the puppy being male. 5 : 4 b) in favor of the puppy being female. 5 : 4 16. Pick a Card You get to randomly select one card from a standard 52-card deck. If you pick a club, you win $8. If you pick a heart, you win $4. If you pick any other suit, you lose $6. Determine your expectation for this game. $0 17. Cars and SUVs The number of cars and the number of SUVs going through the toll gates of the George Washington Bridge and the Golden Gate Bridge is recorded. The results are shown below. Bridge Cars SUVs Total George Washington 120 106 226 Golden Gate 94 136 230 Total 214 242 456 If one of these vehicles going through the toll gate of one of these two bridges is randomly selected, determine the probability that a) it is an SUV. 121 228 b) it is going through the toll gate of the George Washington Bridge. 113 228 c) it is an SUV, given that it is going through the toll gate of the George Washington Bridge. 53 113 d) it is going through the toll gate of the Golden Gate Bridge, given that it is a car. 47 107 18. Awarding Prizes Three of six people are to be selected and given small prizes. One will be given a book, one will be given a calculator, and one will be given an iTunes card. In how many different ways can these prizes be awarded? 120 19. Quality Control A bin contains a total of 20 batteries, of which 6 are defective. If you randomly select 2 batteries, without replacement, determine the probability that a) both of batteries are defective. 3 38 b) at least one battery is not defective. 35 38 20. University Admission The probability that a person is accepted for admission to a specific university is 0.6. Determine the probability that exactly two of the next five people who apply to that university get accepted. 0.2304
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