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

What is the formula for calculating the probability of two independent events A and B occurring?

Back

P(A and B) = P(A) * P(B) for independent events.

Front

What is the probability of spinning green or blue if the total outcomes are 12 and the favorable outcomes are 6?

Back

1/2

Front

How do you calculate the probability of choosing a letter other than 'A' from the word 'ALGEBRA'?

Back

Count the total letters (7) and the letters that are not 'A' (5). The probability is 5/7.

Front

If a deck has 12 cards, half black and half red, what is the probability of picking two red cards without replacement?

Back

5/22

Front

What is the probability of picking two purple pencils from a basket containing 5 purple and 9 brown pencils without replacement?

Back

10/91

Front

What does 'without replacement' mean in probability?

Back

'Without replacement' means that once an item is selected, it is not returned to the pool of items for subsequent selections.

Front

What is the total number of outfit options if there are 3 shirts and 4 pants?

Back

12 (3 shirts * 4 pants = 12 outfit combinations).

Front

How do you find the probability of at least one event occurring?

Back

Use the formula: P(at least one) = 1 - P(none).

Front

What is the difference between independent and dependent events in probability?

Back

Independent events do not affect each other's outcomes, while dependent events do.