MATH 3: CHRISTMAS

Front

What is the probability of an event occurring?

Back

The probability of an event is a measure of the likelihood that the event will occur, expressed as a number between 0 and 1.

Front

If a jar contains 5 green marbles and 14 total marbles, what is P(green)?

Back

P(green) = Number of green marbles / Total number of marbles = 5/14.

Front

How do you calculate the total number of people in a family with 4 daughters and 1 brother?

Back

Total = Number of daughters + Number of brothers + Parents = 4 + 1 + 2 = 7.

Front

What is the second digit of a three-digit number if it is four times the third digit?

Back

If the third digit is x, then the second digit is 4x.

Front

What is the first digit of a three-digit number if it is three less than the second digit?

Back

If the second digit is 4x, then the first digit is 4x - 3.

Front

What is the probability of flipping a coin and getting tails?

Back

The probability of getting tails when flipping a fair coin is 50%.

Front

What does P(not A) represent in probability?

Back

P(not A) represents the probability that event A does not occur.

Front

If P(A) = 1/4, what is P(not A)?

Back

P(not A) = 1 - P(A) = 1 - 1/4 = 3/4.

Front

What is a three-digit number where the second digit is four times the third digit and the first digit is three less than the second?

Back

The number is 141.

Front

How do you simplify the fraction 6/8?

Back

6/8 simplifies to 3/4.