Question: USE THE FOLLOWING INFORMATION TO SOLVE THE PROBLEMS There is a 30% chance that a major hurricane will strike the Gulf refineries. In this case,

USE THE FOLLOWING INFORMATION TO SOLVE THE PROBLEMS

There is a 30% chance that a major hurricane will strike the Gulf refineries. In this case, the oil price will increase by 60% by the end of the year.

There is a 20% chance that a minor hurricane will strike the Gulf refineries. In this case, the oil price will increase by 20% by the end of the year.

There is a 50% chance that no storms will strike the gulf refineries. In this case the oil price is expected to decrease by 10% by the end of the year.

A. (assume the above, three possibilities are all mutually exclusive) What is the expected % change in the oil price by the end of the year?

B. (assume the above, three possibilities are all mutually exclusive) What is the standard deviation of the % change in the oil price by the end of the year?

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