Math 2 Probability

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.

Front

What is a die?

Back

A die is a small cube with each of its six faces showing a different number from 1 to 6.

Front

What does it mean for an event to be less than 3 when rolling a die?

Back

It means the result of the die roll can be either 1 or 2.

Front

How do you calculate the probability of rolling a number less than 3 on a die?

Back

Count the favorable outcomes (1 and 2) and divide by the total outcomes (6). Probability = 2/6 = 1/3.

Front

What is a red card in a deck of cards?

Back

A red card is either a heart or a diamond in a standard deck of 52 playing cards.

Front

How do you find the probability of drawing a red card or a 7?

Back

Add the probability of drawing a red card and the probability of drawing a 7, then subtract the probability of drawing a red 7.

Front

What is the probability of drawing a king and a diamond without replacement?

Back

The probability is calculated by finding the chance of drawing a king first and then a diamond from the remaining cards.

Front

What does 'without replacement' mean?

Back

It means that once an item is drawn, it is not put back into the pool for the next draw.

Front

What is the probability of getting all tails when flipping a coin 3 times?

Back

The probability is (1/2) x (1/2) x (1/2) = 1/8.

Front

What is the total number of outcomes when flipping a coin 3 times?

Back

There are 2^3 = 8 possible outcomes.