Compound Probability (Independent Events)

P(4)

P(2 or 3)

Lauren spins the spinner with 8-equal sized sections one time. What is P(even number)?

The probability of picking a red marble is 0.25. How many of the marbles must be red?

Determine if the following events are dependent or independent.

Anna flips a coin two times.

• Independent

• Dependent

Pablo chooses a colored marble from a mixed bag and writes down the color. Pablo leaves it out and then draws another.

• Independent

• Dependent

Clara picks a marble at random, puts it back, and then picks another marble at random.

• Independent

• Dependent

A bag contains 8 red marbles and 3 blue marbles. Another bag contains 5 green marbles and 4 yellow marbles. You randomly pick one marble from each bag. One marble is blue and one marble is yellow.

• Independent

• Dependent

A cooler contains fourteen bottles of sports drink: 7 lemon-lime flavored and 7 orange flavored. You randomly grab a bottle and give it to your friend. Then, you randomly grab a bottle for yourself. Your friend gets a lemon-lime and you get an orange.

• Independent

• Dependent

If you spin two times, what is the probability of landing on green both times?