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Exam2Sol

# Exam2Sol - 28%ko ﬁaﬁﬁﬁﬂ 3 Saw 2 w...

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Unformatted text preview: 28%ko ﬁaﬁﬁﬁﬂ 3 Saw 2 w “I'll? .mmBm @3303 2% :w Konm .meo oﬁ 8:3 8 3358 mm 9%: EB 30% £803on om mﬁﬂaoo 258 mu? woom “m 33 N Em 0: <2 hon—Es: H \$32?“ 252 Question 1-3 refer to a game of roulette. ' v Find the outcOme of each bet (question 1-2). 1. You bet \$5 on the 20 and the ball lands on the 20. Wm \$913324; (73‘ 2. You bet \$30 on the 22-23-24 street and the ball lands on 21. [06% “153D 3. Find the expected value of a \$4 ﬁve—number bet. hst iodols number: 6 if) I @ wimp—3% \$452424 (9 ’Pllose) : 3- - \$4 1;: 24"?“ 4" Gilli-'3? Question 4 and 5 refer to the following information. A jar contains 2 red marble, 3 blue marbles, 14 white marbles and 18 yellow marbles. You pick a marble without looking. 4. What is the probability that it is not red? 2+3+14+ (9 r B7 if. %7! 5. What are the odds in favor of picking yellow or blue? (19+3):(2+H): 2N6 For question 6-7, a card is drawn from a deck of cards (no jokers) without replacement. Ace is considered as a high card. Find the probability and odds that the card drawn is 6. ared queen or jack. (E) /\ a YEA ‘* .: i OLE) : ’4 2 48 We) 5.; 7. above a 4. (F) put) = g o (F) :: 40:.2 For question 8 and 9, two cards are drawn, ﬁnd the probability of the following events 8thesecondwcardis a black king, givEn that the ﬁrst was a red icing. ‘ .3... él 9. the second card drawn is a heart, given that the ﬁrst card drawn was a heart. 1 1 Fl 10. A student group decides to have a lottery to raise money. If they run a 5/32 lottery, ﬁnd the probability of winning ﬁrst prize and second prize. “bid 5; 1199 141~;.»»Of all the employees at a certain company, the proportion earning certain ‘hour-ly— ‘ -- wages are as follows ‘ Find the expected hourly wage that an employee at this company. if : 8.90 -27, x 74°- (S% t ‘MV- 2:70 t (010.20% 4 [1:79.52 + (£3wa For question 12-14 a pair of dice (fair dice) are rolled, ﬁnd the probability that 12. the sum is 9. ~éL at» 13. the sum is less than‘S and even 4 / ’24 14. the sum is less than 10 given that one die is a 6. L 6 3 6 ) 15. What is the probability of getting exactly 2 jacks in 4 card poker? CE) VT l m = W ) ijiLS :2 carol} f f; C4 Vto‘l 7M9 I ~ ‘5 «ﬁst A )M S 43 cwci 3 ﬁ Use the following information for questions 16 and 17. . — ~ » v » -. A company that puts out computer games has found that 3% of the games don’t load correctly, 8% have a defective factory seal, and 9% have at least one of two defects. Find the probability that 16. a game has both defects. was) 2 rows» mos) V’V“ buTL cld’ecls r: 3% J (7%» <27, :277 17.agamehasno defects L‘- don’t bad W‘Mlk/ PL” ciffect§> : F ( (14%),) St NW a defective ‘ﬁw‘ﬂry S‘ml “11* NLUS) 1113:57i :l.‘ ?Z, :?(Z ’P(\$):8Z> 'P(Lus) : t2 ”USe the‘fb'llow’ing information fdr'qiieStions’ 1’8i20". "7‘ A personal computer manufacturer buys 42% of its chips from Japan and the rest from the United States. 1.3% of the Japanese chips are defective, and 1.6% of the American chips are defective. 18. Find the probability that a randomly chosen chip is defective and made in Japan. ““3427? Flo/13): Wan-a3“) §LU>ZS\$Z I: #370 . 422, 1>(Plj):(.az = 0.00546 7507! U): (.67, 19. Find the probability that a randomly chosen chip is defective 170nm): WNW-PW) ’(pLD): ﬂoojﬁﬂpnul :: Hz- 532 : 0-00546 «e 0.00138 : 6&0328 ’— 0.01474 20. Find the probability that a randomly chosen chip is defect-free. 1% o') : i~ (>07) 2: l v 0 . 014 l4 = 9.?arlé ...
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Exam2Sol - 28%ko ﬁaﬁﬁﬁﬂ 3 Saw 2 w...

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