Simple Probability

Front

What is probability?

Back

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

Front

What is the formula for calculating probability?

Back

Probability = (Number of favorable outcomes) / (Total number of outcomes)

Front

What is an example of a simple probability problem?

Back

If you have a bag with 3 red balls and 2 blue balls, what is the probability of drawing a red ball? Answer: 3/5.

Front

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

Back

It means the event is impossible and will not occur.

Front

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

Back

It means the event is certain and will definitely occur.

Front

What is experimental probability?

Back

Experimental probability is the probability based on the actual results of an experiment.

Front

What is theoretical probability?

Back

Theoretical probability is the probability calculated based on the possible outcomes in a perfect scenario.

Front

If a bag contains 4 yellow, 6 orange, 3 green, and 5 blue candies, what is the probability of selecting a yellow candy?

Back

Probability = 4/(4+6+3+5) = 4/18 = 2/9.

Front

In a standard deck of cards, how many black cards are there?

Back

There are 26 black cards (13 spades and 13 clubs) in a standard deck.

Front

What is the probability of drawing a face card from a standard deck of cards?

Back

There are 12 face cards (3 per suit), so the probability is 12/52 = 3/13.