Probability Word Problems

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, where 0 indicates impossibility and 1 indicates certainty.

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 calculate the probability of an event?

Back

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

Front

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

Back

Front

If a bag contains 4 red, 5 blue, 3 yellow, and 3 green markers, what is the probability of NOT pulling out a blue marker?

Back

Front

What is the probability of selecting a number less than 5 from a set of numbers 1 to 6?

Back

Front

What is the total number of outcomes when rolling a die?

Back

When rolling a standard six-sided die, there are 6 possible outcomes: 1, 2, 3, 4, 5, and 6.

Front

If there are 32 candies, 11 blue and 10 orange, what is the probability of NOT selecting a blue or orange candy?

Back

Total candies = 32. Non-blue and non-orange candies = 32 - 11 - 10 = 11. Probability = 11 / 32.

Front

What is the probability of selecting a prime number from the set {1, 2, 3, 4, 5, 6, 7, 8, 9}?

Back

Front

What does it mean for an event to be independent in probability?

Back

Two events are independent if the occurrence of one does not affect the probability of the other occurring.