# Probability

List the sample space of choosing a ball from a bag containing 2 red balls and 3 black balls.

What is the probability of choosing a queen from a deck of 52 cards? What is the probability of the 2nd card being a queen if the first was a queen? (without replacement)

If we know that P(A) = 3/5; P(B) = 3/5; P(A AND B) = 2/5, then what is P(A OR B)? Are A and B mutually exclusive? Prove your answer mathematically

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#### Solution Preview

List the sample space of choosing a ball from a bag containing 2 red balls and 3 black balls.

S = {R, R, B, B, B}

What is the probability of choosing a queen from a deck of 52 cards?

There are 4 queens in a deck of 52 cards. ...

#### Solution Summary

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