Multiplication Rule

You flip a coin twice. Is the probability of the second flip DEPENDENT or INDEPENDENT of the first flip?

• Dependent

• Independent

Tags

CCSS.HSS.CP.A.5

Are the two events dependent or independent?

Event A: Going to school today

Event B: Going to school tomorrow

• Dependent

• Independent

Tags

CCSS.HSS.CP.A.5

Are the two events dependent or independent?

Event A: Passing to the 11th grade

Event B: Passing to the 12th grade

• Dependent

• Independent

Tags

CCSS.HSS.CP.A.5

Example 1: Find the probability that a woman gives birth to two children and both are boys. [Write your answer as a decimal rounded to THREE decimal places.] Hint: The probability of having a girl/boy = 0.5.

The spinner below is divided into 4 equal parts. It is spun once, and the coin is flipped once. What is the probability of obtaining red on the spinner followed by heads on the coin?

There are 9 movies showing at a theater. Two are action movies, two are children’s movies, and the other movies are comedies. Ashley randomly selects 2 different movies to see, without replacement. What is the probability that the first movie is an action movie and the second movie is a comedy?

A bag contains 5 red marbles, 4 blue marbles, and 3 green marbles. Joshua will select a marble at random, record its color, and then put the marble back in the bag. He will select three marbles in this way. What is the probability that Joshua will first get a red marble, then a blue marble, and then a green marble?

You have a 73% chance of passing any stats quiz. What is the probability you fail one quiz, then pass the next 3?

• .39

• .11

• .08

• .32

Mrs. Regan has a 12% chance of making a freethrow. What is the probability she shoots twice and makes both?

• .14

• .01

• .24

• .05

Find the probability of tossing a coin 4 times and getting 4 heads.

Do not round your answer.