Probability Word Problems

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 a red face card in a standard deck of cards?

Back

A red face card is a Jack, Queen, or King of hearts or diamonds.

Front

How many red face cards are in a standard deck of 52 cards?

Back

There are 6 red face cards (3 from hearts and 3 from diamonds).

Front

What is the formula for calculating probability?

Back

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

Front

If a spinner has 4 equal sections labeled A, B, C, and D, what is the probability of landing on A?

Back

Front

What is a prime number?

Back

A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself.

Front

How do you find the probability of NOT selecting a prime number from a set of numbers?

Back

Calculate the probability of selecting a prime number and subtract it from 1.

Front

What is the probability of rolling a number less than 5 on a standard six-sided die?

Back

Front

What is the total number of outcomes when spinning a wheel with 20 sections?

Back

The total number of outcomes is 20.

Front

If there are 10 red blocks and 5 blue blocks in a bag, what is the probability of selecting a red block?

Back