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fall08quiz09

fall08quiz09 - Math 147 QUIZ 9(TUESDAY Name 4 M NW ~...

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Unformatted text preview: 04/08/08 Math 147 QUIZ 9 (TUESDAY) Name 4 M NW ~ Section r f‘ ‘) {gee V03 1. A gambler plays roulette 100 times, betting a dollar on a column each time. The bet pays 2 to 1, and there are 12 chances in 38 to win. Fill in the blanks; show work. In 100 plays, the gambler should win times, give or take or so. u,” 1421/14 V ~ ML no" ML EV, 1 “’0" iii : @5/9 3» 2170.5 x LC‘“03XJ%%L :gég‘) ! F PW‘JS 2 ‘tv I a L - /""‘ ..... ._ 3 V ~ —— Ev Jig : , “1/er SC \Lloo >< LCz (n) WK??? {1374) PM? EFL <f\ \\\\\ w/ L ‘19! Ml“ ﬁts) 2. A com Will be tossed 100 t1mes Estimate the chance of getting between 45 and 55 heads excluswe . . . TJS M (Hint: Normal approxrmation.) E] E] “l“ [W59 #4 H H NW —~ ~~~~~~~~~~~~~ L ~~~~~~~~~~~~~~~~~~ M LWM 0 be! 4’: .5 90 5 .y 55 — z , _L w 4 45.550- 54‘s, so ‘- ES\V. ILOO)‘ A ~ 50 T—-—Oj , “*5.“ ~0‘7 SE -:~~ Jfopri».z’: ': Lox-£25 ///_§\ c/x / \N _L;/”_//x" [1/ L J ~0\ L 0‘7 ...
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