Compound Probability

Front

What is compound probability?

Back

Compound probability refers to the probability of two or more events happening at the same time. It can be calculated using the multiplication rule for independent events or the addition rule for mutually exclusive events.

Front

How do you calculate the probability of independent events?

Back

To calculate the probability of independent events, multiply the probability of each event occurring. For example, P(A and B) = P(A) * P(B).

Front

What is the probability of drawing a penny and then a dime from a piggy bank containing 4 quarters, 18 dimes, 10 nickels, and 8 pennies?

Back

The probability is 6/65.

Front

What is the probability of flipping a tail on a coin and spinning a 5 on a spinner numbered 1-5?

Back

The probability is 1/10.

Front

What are the perfect squares on a standard die?

Back

The perfect squares on a standard die (1-6) are 1 and 4.

Front

What is the probability of rolling two perfect squares on a standard die?

Back

The probability is 1/9.

Front

What is the probability of rolling the same number on a standard die twice?

Back

The probability is 1/6.

Front

What is the total number of coins in the piggy bank?

Back

The total number of coins is 40 (4 quarters + 18 dimes + 10 nickels + 8 pennies).

Front

What is the formula for calculating the probability of an event?

Back

The formula is P(Event) = Number of favorable outcomes / Total number of outcomes.

Front

What does 'not replaced' mean in probability?

Back

'Not replaced' means that once an item is selected, it is not put back into the set, affecting the total number of outcomes for subsequent selections.