Basic Probability

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How do you convert a probability to a decimal?

To convert a fraction to a decimal, divide the numerator by the denominator.

Calculate the probability of rolling an even number on a six-sided die.

There are three even numbers (2, 4, 6), so $P(even) = \frac{3}{6} = \frac{1}{2}$.

What is the probability of drawing an Ace from a standard deck of cards?

There are 4 Aces in a deck of 52 cards, so the probability is $P(Ace) = \frac{4}{52} = \frac{1}{13}$.

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