Compound Probability

What is the probability of landing on blue twice in a row?

• $\frac{2}{3}\times\frac{2}{3}$

• $\frac{3}{8}\times\frac{2}{8}$

• $\frac{3}{8}\times\frac{3}{8}$

• $\frac{3}{8}\times\frac{2}{7}$

What is the probability of picking a blue marble, putting it back in the bag, then picking a red marble?

•  $\frac{3}{7}\times\frac{3}{7}$  

•  $\frac{4}{7}\times\frac{4}{7}$  

•  $\frac{4}{7}\times\frac{3}{6}$  

•  $\frac{4}{7}\times\frac{3}{7}$  

What is the probability of picking a green marble, keeping it, then picking another green marble?

• $\frac{3}{7}\times\frac{3}{7}$

• $\frac{3}{7}\times\frac{2}{6}$

• $\frac{3}{7}\times\frac{3}{6}$

• $\frac{3}{7}\times\frac{7}{3}$

Mr. Contakes has a secret stash of 20 candy bars. He has 5 Snickers bars, 3 Twix, 1 Baby Ruth, 4 Reece’s cups, and 7 Kit Kats.

You are allowed to randomly choose (and eat) two candy bars. What is the probability that you will select a Twix and then a Kit Kat?

There are 4 red socks, 6 blue socks, and 2 white socks in a drawer.

What is the probability that Rylee will pull out a blue sock, replace it, and then pull out another blue sock to put on?

The numbers 1 to 10 are placed in a bag.

What is the probability that the first number

drawn will be odd, you will replace it, and the second one will be even?

You roll a six sided die. What is the probability of rolling a 5 or 6 three times in a row?

A number cube and a coin are tossed. What is the probability of the number cube showing 3 and the coin showing tails ?

What is the probability of spinning blue followed by yellow?