Dependent and Independent Events

Jackson pulls a coin out of his pocket and places it on the table. Then he reaches back into his pocket and takes out a second coin.

• Dependent clauses

• Independent clauses

• Dependent events

• Independent events

Tags

CCSS.L.7.1A

CCSS.L.9-10.1B

Marie downloads a song from an online service. A few minutes later, a customer in another city searches for a song on the same site.

• Dependent events

• Independent events

• Dependent clauses

• Independent clauses

Tags

CCSS.HSS.CP.A.5

A box contains 3 red marbles, 6 blue marbles and 1 white marble. The marbles are selected 1 at a time and not replaced. Find P(blue and red)

Bag A contains 9 yellow marbles and 3 purple marbles. Bag B contains 9 blue marbles and 6 orange marbles. Find the probability of selecting one purple marble from bag A and one blue marble from bag B.

A jar contains 5 purple marbles, 3 green marbles and 2 orange marbles. Draws are made without replacement. P(both marbles are purple)

A box contains 4 white chips, 5 purple chips, and 1 black chip. Chips are selected randomly one at a time, and are not replaced. P(3 whites)

Tags

CCSS.HSS.CP.B.9

There are seven nickels and six dimes in your pocket. You randomly pick a coin out of your pocket and place it on a counter. Then you randomly pick another coin. The first coin is a nickel and the second coin is a dime.

What is the probability of rolling a dice and landing on a 4, and then rolling the dice again and landing on any even number?

Which event is not a dependent event?

• Picking 2 students to each be line leader and door holder from a group of 20 students

• Picking 2 crayons from a box at the same time (simultaneously) 

• Picking 2 marbles from a bag without replacing the first marble

• Picking an earring, replacing it, then picking a 2nd earring

Tags

CCSS.HSS.CP.A.5

There are six nickels and seven dimes in your pocket. You randomly pick a coin out of your pocket and then return it to your pocket. Then you randomly pick another coin. Both times the coin is a nickel.