Independent and Dependent Events

If a dice is thrown twice, find the probability of getting two 5’s.

• 1/36

• 1/18

• 2/9

• 1/3

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

2 sets of cards with a letter on each card as follows are placed into separate bags. Sara randomly picked one card from each bag. Find the probability that she picked the letters 'J' and 'R'.

• 1/10

• 1/30

• 2/30

• 2/15

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

Two fair dice, one colored white and one colored red, are thrown. Find the probability that the score on the white die is 1 and the red die is even.

• 1/2

• 1/36

• 1/6

• 1/12

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

A purse contains four $5 bills, five $10 bills, and three $20 bills. Two bills are selected without the first selection being replaced. Find P($5, then $5)

• 1/11

• 1/7

• 2/15

• 1/13

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

A bag contains 6 red, 5 blue and 4 yellow marbles. Two marbles are drawn, but the first marble drawn is not replaced. Find P(red, then blue)

• 1/14

• 1/7

• 2/14

• 2/7

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

A bag contains 6 red, 5 blue and 4 yellow marbles. Two marbles are drawn, but the first marble drawn is not replaced.Find P(blue, then blue)

• 1/21

• 2/7

• 1/3

• 2/21

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

CCSS.7.SP.C.6

The two-way table below gives the thousands of commuters in Massachusetts in 2015 by transportation method and one-way length of commute. Given that the commuter used public transportation, find the probability that the commuter had a commute of 60

or more minutes.

• P(60+ minutes ∣ public transportation)=54/329

• P(60+ minutes ∣ public transportation)=108/329

• P(60+ minutes ∣ public transportation)=216/329

• P(60+ minutes ∣ public transportation)=27/329

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.6