Unit 7.1 Test Review

Find the total number of possible outcomes for the following scenarios:

There are 5 different shirts, 3 pants, and 6 pairs of shoes to choose from.

• 14

• 90

• 45

• 15

What is the probability of drawing a green marble from a bag containing 5 green, 2 blue, and 3 red marbles

• 1/2

• 5/10

• 5/30

• 1/6

At an ice-cream shop,

50 customers ordered vanilla,

40 customers ordered chocolate,

and 60 ordered cookie dough.

What is the probability that the next customer will order vanilla or chocolate?

• 3/5

• 1/3

• 4/15

• 2/3

Classify the following event:

Drawing a card, keeping it, drawing another

• Independent

• Dependent

• Mutually Exclusive

Tags

CCSS.HSS.CP.A.5

Classify the following event:

Drawing a club from a deck of cards, replacing it, then drawing a 3

• Independent

• Dependent

• Mutually Exclusive

Tags

CCSS.HSS.CP.A.5

Classify the following event:

Rolling an odd number and the number 2 in one roll

• Independent

• Dependent

• Mutually Exclusive

Tags

CCSS.HSS.CP.A.5

Find the probability of each INDEPENDENT event:

Drawing a club from a deck of cards, replacing it, then drawing a 3

• 13/52

• 1/52

• 1/51

• 3/208

Find the probability of the DEPENDENT:

Picking an orange, eating it, then picking an apple from a basket containing 5 oranges and 7 apples

• 35/144

• 35/132

• 49/132

• 49/144

There are 135 freshmen in a class and there are

43 students enrolled in a business class.

15 of the students in the business class are freshmen.

Given that a randomly selected student is a freshmen, what is the probability that they are also in a business class?

• 15/135

• 1/9

• 1/10

• 15/150

Tags

CCSS.HSS.CP.B.6

Find the conditional probability for the following event:

10 people only play an instrument,

20 people only play a sport, and

6 people play an instrument and play a sport.

Given that a randomly selected person plays a sport, what is the probability that they also play an instrument?

• 6/26

• 3/13

• 6/20

• 3/10

Tags

CCSS.HSS.CP.A.5

CCSS.HSS.CP.A.3