Refer to Exercise 4. Assume that the cost of repairing an assembly whose clearance is too little

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Refer to Exercise 4. Assume that the cost of repairing an assembly whose clearance is too little is $2, and the cost of repairing an assembly whose clearance is too much is $3.

a. Express the total cost of repairs in terms of X and Y.

b. Find the mean of the total cost of repairs.

c. Find the standard deviation of the total cost of repairs.

Refer to Exercise 4.

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