**Both Problem 76-A and Problem 76-B use the following information.**

A property owner faces a series of independent random losses. Each loss is either 10 (with probability 0.4) or 50 (with probability 0.6).

Three such random losses are selected.

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**Problem 76-A**

What is the probability that the mean of the three losses is less than 30?

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**Problem 76-B**

What is the expected value of the mean of the three losses?

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