# Question

A company has discovered that a recent batch of batteries had manufacturing flaws, and has issued a recall. You have 10 batteries covered by the recall, and 3 are dead. You choose 2 batteries at random from your package of 10.

a) Has the assumption of independence been met? Explain.

b) Create a probability model for the number of good batteries chosen.

c) What’s the expected number of good batteries?

d) What’s the standard deviation?

a) Has the assumption of independence been met? Explain.

b) Create a probability model for the number of good batteries chosen.

c) What’s the expected number of good batteries?

d) What’s the standard deviation?

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