Unit 8 Corrections: Probability

Mr. Enstrom flipped a coin onto a black and red checkerboard. What is the probability that it will land heads up on a black square? 

• 1/2
• 1/4
• 1/8
• 1/16

How many outfits can you make from a choice of 3 shirts, 2 pants and 4 pairs of shoes? 

• 9
• 10
• 32
• 24

Tags

CCSS.3.OA.A.1

CCSS.3.OA.A.3

CCSS.3.OA.B.5

CCSS.3.OA.C.7

You pick a marble from this bag.
What is the probability you will choose either a black or a white marble?
*remember to simplify* 

• 3/5
• 4/10
• 3/10
• 6/10

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

What is the experimental probability of not landing on blue?

• 25/25
• 7/8
• 1/8
• 0/25

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.6

CCSS.7.SP.C.7

Which shows the sample space for flipping two coins? 
H = heads, T = tails

• H, T
• HH, HT, TH, TT
• HH, TT
• HH, TT, TT, HH

Tags

CCSS.7.SP.C.8

The cafeteria is serving three kinds of sandwiches:  tuna (T), chicken, (C), and peanut butter (P).  They are also serving a choice of two drinks:  milk (M) or water (W).  Which shows the CORRECT Sample Space List of possible combinations?

• TW, CW, PW
• TW, TM, TC, CW, PW
• TW, TM, CW, CM, PW, PM
• TCP, MW

Tags

CCSS.7.SP.C.8

The sample space tree diagram for a team of three students is shown.  What is the probability that the team would consist of at least 2 girls?

• ½
• ⅜
• ¾
• ⅙

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.8

Jillian rolled a number cube 360 times. About how many times do you expect her to roll a 2?

• 20 
• 180
• 60 
• 120

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.6

CCSS.7.SP.C.7

• 23
• 25
• 35
• 50

Tags

CCSS.7.RP.A.3

A bag contains:

• 5 red marbles

• 6 blue marbles

• 3 green marbles

• 4 black marbles

• 2 yellow marbles

A marble will be drawn from the bag and replaced 200 times. What is a reasonable prediction for the number of times a yellow or green marble will be drawn?

• 20

• 30

• 50

• 40

Tags

CCSS.6.RP.A.3B