Question

Applications Name 7-9, find each probability assuming three cards are drawn from an ordinary deck and not replacesd. 7. Getting three jacks 8. Getting an ace, a king, and a queen in order 9. Getting a club, a spade, and a heart in order A survey of 200 college students shows the average number of text messages sent per month. Find each probability in Questions 10-13 Less than 1,000 56 61 1,000-1,999 18 18 2.000-2.999 10 13 3,000 or more Men 16 Women The student sent less than 1,000 texts given that it was a woman. 10. Place Your Bets Unit 3 288 3-7A Applications Name The student sent more than 3,000 texts given that it was a man. 11. 12. The student was a woman given that they sent between 1,000 and 1,999 texts 13. The student was a man given that they sent between 1,000 and 2,999 texts. Use this information for uestions 14-16. on one large campus, 18% of students surveyed said that they spend less than an hour a night studying, 72% of students surveyed said they were in a math class and 13% of students surveyed said that they spend less than an hour a night studying and that they're in a math class. 14. If three students are picked at random, what's the probability that all three spend less than an hour a night studying? What's the probability that the first two of the three students picked spend less than an hour a night studying? 15. Find the probability that a randomly selected student spends less than an hour a night studying given that the student is in a math class. 16.

Answer 1

-There are s'a card in ancrdinary aleck plating ards declく' am.qeyene. fn-.RE clr-a-an Thvec Carzl s are it not replaad TLe Avst card o Jacks 3 Jack z 는 2 er quiae 2 So

s 6 2 probubility hat tue shedent sent less man losro dexts test aro 199s txts 36 Totel nermen ho Sent behee eo S 9

study 72y, were l'a a naaA class. in a math ces than an hour a nbut stud ra,givenhethe 7 2 〇.lge S5