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What is the probability a patient answers that her pain is not reduced after the drug test? Provide four digits after the decimal point.

Compute the probability Y>3 or Y

The number of darts that hits the bulls eye if you throw three times.

Suppose X and Y are independent, what is the standard deviation of 2X – Y + 2? Provide 4 digits after the decimal point.

When is a time and materials contract not ideal?

What is an advantage of cost-plus contracts for builders?

What is a common feature of time and materials contracts to mitigate the owner’s risk?

What is a disadvantage of unit price contracts?

What is a major benefit of a lump sum contract for the owner?

What is a potential drawback of a lump sum contract for builders?