Theoretical Probability Practice

Front

What is theoretical probability?

Back

Theoretical probability is the likelihood of an event occurring based on all possible outcomes, calculated as the ratio of the number of favorable outcomes to the total number of possible outcomes.

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

If a jar contains 4 blue, 8 red, and 2 green marbles, what is the total number of marbles?

Back

Total marbles = 4 (blue) + 8 (red) + 2 (green) = 14 marbles.

Front

What is the probability of choosing a red marble from a jar with 4 blue, 8 red, and 2 green marbles?

Back

Front

In a city with 10 pets for every 40 people, how many pets are there for 720 people?

Back

Number of pets = (10 pets / 40 people) * 720 people = 180 pets.

Front

What is the probability of selecting an orange candy if there are only orange candies?

Back

Probability = 100%.

Front

How many vowels are expected in 136 lettered tiles if the vowels are A, E, I, O, U?

Back

Expected vowels = 51 (since there are 5 vowels out of 26 letters, approximately 5/26 of 136 tiles).

Front

What does it mean for a game to be fair?

Back

A game is fair if all players have an equal chance of winning.

Front

If a spinner has numbers 1 to 10, what is the probability of landing on a number greater than 5?

Back

Front

What is the probability of winning if you win on numbers greater than 5 and your friend wins on numbers 5 or less?

Back

The game is not fair; your friend has a greater probability of winning.