You Roll a Pair of Dice

question 116

Multiple Choice

You roll a pair of dice.If you get a sum greater than 10 you win $50.If you get a double you win $20.If you get a double and a sum greater than 10 you win a $70.Otherwise you win nothing.Find the standard deviation of the amount you win at this game.

• A)$14.08
• B)$274.31
• C)$25.21
• D)$14.91
• E)$16.56

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Definitions:

Rehearsal

The conscious repetition of information, either to maintain it in consciousness or to encode it for storage.

Persistence

The continued effort toward a goal despite obstacles or challenges.

Learning

The process of acquiring new understanding, knowledge, behaviors, skills, values, attitudes, and preferences.

Memory

The cognitive function that allows us to encode, store, retain, and subsequently recall information and past experiences.