Probability of Simple Events

Front

What is the range of probability values for simple events?

Back

Probability values range from 0 to 1.

Tags

CCSS.7.SP.C.5

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.

Tags

CCSS.7.SP.C.7B

Front

Cindy owns 7 t-shirts, 2 of which are gray. What is the probability that she randomly selects a gray t-shirt?

Back

The probability of selecting a gray t-shirt is 2/7.

Tags

CCSS.7.SP.C.7B

Front

When rolling a die, what is the probability of rolling a number less than 3?

Back

The probability of rolling a number less than 3 is 1/3.

Tags

CCSS.7.SP.C.7A

Front

In a selection of 5 green, 6 yellow, 8 blue, and 7 brown items, what is the probability of choosing a blue item?

Back

The probability of choosing a blue item is 4/13.

Tags

CCSS.7.SP.C.7B

Front

What is the definition of a simple event in probability?

Back

A simple event is an event that consists of a single outcome.

Front

What is the formula for calculating the probability of a simple event?

Back

The probability of a simple event is calculated as P(E) = Number of favorable outcomes / Total number of outcomes.

Tags

CCSS.7.SP.C.7A

Front

What does it mean if the probability of an event is 0?

Back

If the probability of an event is 0, it means the event is impossible and will not occur.

Tags

CCSS.7.SP.C.5

Front

What does it mean if the probability of an event is 1?

Back

If the probability of an event is 1, it means the event is certain and will definitely occur.

Tags

CCSS.7.SP.C.5

Front

How do you simplify a fraction in probability?

Back

To simplify a fraction, divide the numerator and the denominator by their greatest common divisor (GCD).