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ttps://www-awh.aleks.com/alekscgi/x/lsl.exe/1o u-IgNslkasNW8D8A9PVV197mMVK1ydKM6240AaXEieTgw-85Pm4Ze30j9qFqAR20hale Homework 7 (Sections ?-74-. I 12 of 20 ? 8910 415 16 19 In a Las Vegas casino, gamblers lose a mean of $0.14 on each roulette game, with a standard deviation of $3.96. (Since the standard deviation is quite high e mean, roulette players often win money on a bet.) Suppose a gambler plays roulette for 150 bets straight. What is the probablity that he will be winning after 150 bets? (Hint: He is winning when the amount of his total earnings is positive.) Carry your intermediate computations to at least four decimal places. Report your result to at least three decimal places

Explanation / Answer

( please try 0.334 or 0.332 if above does not work due to rounding)

for normal distribution z score =(X-?)/? here mean=       ?= -0.14 std deviation   =?= 3.96 sample size       =n= 150 std error=?x?=?/?n= 0.3233

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