STAAR Review Probability

You roll 2 number cubes.
What is the probability of getting a
sum of 5?
Hint: 2 dice (How many sides per dice?) 

• 1/9
• 16/144
• 16%
• 1/6

You flip two coins. What is the probability of getting two tails? 
Hint: Make a tree of possibilities "shirt and pants activity"

• 2/4
• 1/4
• 2/8
• 1/3

Tags

CCSS.7.SP.C.8B

A spinner has 8 equal sections numbered
1-8. What is the probability of getting a 2 or an even number? 
Hint: OR

• 1/3
• 5/8
• 4/8
• 1/14

Tags

CCSS.HSS.CP.B.7

25 student names are placed in a bag. 4 are 8th graders, 8 are 7th graders and 13 are 6th graders. A name is chosen at random. What is the probability (in percent form) that student is in the 8th grade? 

• 16%
• 32%
• 52%
• 15%

Tags

CCSS.7.SP.C.7B

          A box contains the letters:
          I L O V E M A T H
You pull a letter at random. What is the probability the letter is an I or A? 

• 1/9
• 1/3
• 2/9
• 2/6

Tags

CCSS.HSS.CP.B.7

     A box contains the letters:
             I L O V E M A T H
You pull a letter at random. What is the probability the letter is not an H?

• 88.89%
• 11.11%
• 0%
• 50%

Tags

CCSS.7.SP.C.7B

You have 24 shirts in your closet. 9 are white, 7 are black, 6 are red and 2 are blue. What is the probability of picking a white shirt without looking? 

• 37.5%
• 62.5%
• 25%
• 9%

Tags

CCSS.7.SP.C.7B

Dhalia rolls a number cube that has sides labeled 1 to 6 and then flips a coin. What is the probability that she rolls an even number and flips heads?

• 2/6
• 1/4
• 1/6
• 4/12

The probability of an event is 0.001. Which of the following best describes
the event?
Hint: Convert to percent

• The event will never occur
•             There is a small chance that the event will occur.
• The event is likely to occur.
• The event will definitely occur.

Tags

CCSS.7.SP.C.5

The experimental probability that Josie’s dad gets home from work between 5 p.m. and 6 p.m. is equal to 5/8. About what percent of the time will Josie’s dad get home from work between 5 p.m. and
6 p.m.?

• 37.5 %
• 62.5%
• 58%
• 85%

Tags

CCSS.7.SP.C.6