Probability

Front

What is Probability?

Back

Probability is a measure of how likely an event is to occur, expressed as a number between 0 and 1.

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What is Theoretical Probability?

Back

Theoretical Probability is what should happen in an ideal situation, calculated using the formula: P(Event) = Number of favorable outcomes / Total number of outcomes.

Front

How do you calculate the total number of outcomes when making choices?

Back

Multiply the number of options for each choice together. For example, if you have 4 ice cream flavors and 4 toppings, the total outcomes = 4 x 4 = 16.

Front

If a bag contains 5 quarters, 2 dimes, and 4 pennies, what is the probability of picking a quarter?

Back

The probability of picking a quarter is 5/11.

Front

What is the formula for calculating the probability of an event?

Back

P(Event) = Number of favorable outcomes / Total number of outcomes.

Front

How many outcomes are there when choosing 2 different colors from 4 options?

Back

There are 12 outcomes when choosing 2 different colors from 4 options (4 choose 2 = 6, and each can be combined with the other).

Front

What is an example of a real-life situation where probability is used?

Back

Probability is used in weather forecasting to predict the chance of rain.

Front

What is the difference between experimental and theoretical probability?

Back

Experimental probability is based on actual experiments and observations, while theoretical probability is based on expected outcomes.

Front

If you flip a coin, what is the probability of getting heads?

Back

The probability of getting heads is 1/2.

Front

How many different outfits can you create with 5 pairs of jeans, 8 t-shirts, and 2 pairs of shoes?

Back

You can create 80 different outfits (5 x 8 x 2 = 80).