Find the expected value and standard deviation

Reference no: EM13188375

You roll a die, winning nothing if the number on top is odd, $1 for a two or four on top, and $10 for a six.

a. Find the expected value and standard deviation of your prospective winnings.
b. You play twice. Find the mean and standard deviation of your total winnings.
c. You play 40 times. What is the probability that you win at least $100?

Reference no: EM13188375

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