Basic Probability Flashcard

Front

What is probability?

Back

how likely an event is going to happen

Front

What is the probability of getting tails on a coin flip?

Back

1/2

Front

What does a probability line go up to?

Back

1

Front

An event is 0 on a probability line if it is likely to happen. True or False?

Back

False

Answer explanation

False- if an event is zero on a probability line it is impossible

Front

What is the probability of spinning the spinner and landing on a number?

Back

1

Front

If I have a 75% chance of an event happening, it is: unlikely it will happen, even chance it will happen, likely it will happen, certain it will happen.

Back

likely it will happen

Front

I have the same chances of rolling a die and it landing on 3 as I do flipping a coin and it landing on heads.

Back

False

Answer explanation

False - rolling a die is 1/6 when a coin is 1/2

Front

What is a trial in probability?

Back

an experiment with a set of random outcomes

Front

If you add up all of the probabilities in a trial, will you always get 1?

Back

True

Front

A bag contains 5 quarters, 2 dimes, and 4 pennies. What is the probability of picking a quarter?

Back

5/11