Probability of Simple Events

Front

What is the probability of an event?

Back

The probability of an event is a measure of the likelihood that the event will occur, expressed as a number between 0 and 1.

Front

How do you calculate the probability of a simple event?

Back

Probability of a simple event = (Number of favorable outcomes) / (Total number of possible outcomes).

Front

If a bag contains 3 red balls and 2 blue balls, what is the probability of picking a red ball?

Back

P(red) = 3/(3+2) = 3/5.

Front

What is the probability of rolling a 4 on a standard six-sided die?

Back

P(4) = 1/6.

Front

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

Back

P(Ace) = 4/52 = 1/13.

Front

What does it mean if an event has a probability of 0?

Back

An event with a probability of 0 means that it is impossible for that event to occur.

Front

What does it mean if an event has a probability of 1?

Back

An event with a probability of 1 means that it is certain to occur.

Front

In a spinner divided into 4 equal parts, what is the probability of landing on any one part?

Back

P(any one part) = 1/4.

Front

If a coin is flipped, what is the probability of getting tails?

Back

P(tails) = 1/2.

Front

What is the probability of selecting a piece of pie from a bakery with 6 pies out of 14 desserts?

Back

P(pie) = 6/14 = 3/7.