Answer to Question #218711 in Civil and Environmental Engineering for clar

Question #218711

On May 11, 2013 at 9:30 PM, the probability that moderate seismic activity (one moderate earthquake) would occur in the next 48 hours in Iran was about 21.42%. Suppose you make a bet that a moderate earthquake will occur in Iran during this period. If you win the bet, you win $50. If you lose the bet, you pay $20. Let X = the amount of profit from a bet.

What is the standard deviation of X?  

Round your answer to 3 decimal places.


1
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2021-07-20T12:03:01-0400

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