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by dunnec3 » Mon Mar 14, 2016 8:19 am
Johnny the gambler tosses 6 plain dice. In order to win the jackpot he has to receive exactly 3 times a result of 5 or 6. What are Johnny's chances to win?

I'm not sure what exactly this question is asking. To win does he have to roll either 3 x 5s or 3 x 6s, or roll 3 x 5's or 6's?

Confused!
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by [email protected] » Mon Mar 14, 2016 10:00 am
Hi dunnec3,

What is the source of this question? I ask because it's poorly-written, it doesn't include answer choices and the question isn't clearly defined (to win, does he need a sum equal to 3(5) = 15 or 3(6) = 18 OR does he need to roll three 5s or three 6s?). You might be better served by practicing with materials that better 'match up' with what you'll face on Test Day.

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by dunnec3 » Tue Mar 15, 2016 2:33 am
Apologies, here are the answer choices. It was on a London Business School sample test.

20×(2^2/3^6)

10×(2^3/3^6)

20×(2^3/3^5)

20×(2^3/3^6)

20×(2^2/3^5)
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