Compound Probability

Front

A box contains 3 black pens, 7 blue pens, and 5 red pens. Without looking, P(red or black)?

Back

8/15

Front

Probability of picking 2 red marbles in a row from a bag with 6 red, 5 green, and 4 yellow marbles (without replacement)?

Back

1/7

Front

Probability of drawing a violet ball first and a pink ball next (with replacement) from a bag with 2 violet and 4 pink balls.

Back

2/9

Front

Probability of picking 2 purple pencils from a basket with 5 purple and 9 brown pencils (without replacement)?

Back

10/91

Front

The letters that form the word ALGEBRA are placed in a bowl. What is the probability of choosing a letter other than “A”?

Back

5/7

Front

A jar contains 2 green marbles, 4 blue marbles, 3 yellow marbles, and 2 black marbles. A marble is chosen at random from the jar and replaced. Then a second marble is chosen at random. Find the probability of the first marble being green and the second marble being yellow.

Back

6/121

Front

Two cards are drawn from a standard deck of cards and no cards are returned to the deck. Identify whether the events are independent or dependent.

Back

Dependent

Front

Two marbles are randomly drawn from a bag containing 3 purple, 1 blue, and 1 yellow marble. The first marble is blue and is not replaced. Find the probability of drawing a second marble that is purple.

Back

3/4

Front

Probability of rolling an even number three times in a row with a six-sided die?

Back

1/8

Front

A cookie jar has 3 dozen chocolate chip, 1 dozen peanut butter, and 2 dozen oatmeal raisin cookies. If Megan chooses a cookie, does not replace it, then chooses another, what is the probability that she chooses a peanut butter then a chocolate chip cookie?

Back

6/71