MATH 3: CHRISTMAS

Front

Probability is ...

Back

the chance that some event will occur.

Front

How many 9's are there between 1 and 100?

Back

20

Front

Which color marble is least likely to be pulled from the jar?

Back

Blue

Front

The probability of it raining today is 30%. What is the probability that it will NOT rain?

Back

70%.

Front

There is a three digit number. The second digit is four times as big as the third digit, while the first digit is three less than the second digit. What is the number?

Back

141.

Front

What is the definition of probability?

Back

Probability is a measure of the likelihood that an event will occur.

Front

If the probability of an event is 0.2, what is the probability of the event not occurring?

Back

0.8 (or 80%).

Front

In a standard deck of cards, what is the probability of drawing a heart?

Back

1/4 or 25%.

Front

What is the formula for calculating probability?

Back

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

Front

If a die is rolled, what is the probability of rolling a number greater than 4?

Back

1/3 or approximately 33.33%.