# Probability - expected value

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Probability Distributions; Expected Values

1. Suppose 5 apples in a barrel of 25 apples are known to be rotten.

a. Draw a histogram for the number of rotten apples in a sample of 2 apples.

b. What is the expected number of rotten apples in a sample of 2 apples?

See the attached file.

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## SOLUTION This solution is **FREE** courtesy of BrainMass!

See attached file for answers (histogram).

expected number of rotten apples in a sample of 2 apples= 2 X p =2 X 0.2=0.4.

Â© BrainMass Inc. brainmass.com December 24, 2021, 4:46 pm ad1c9bdddf>https://brainmass.com/math/probability/probability-expected-value-6518