M7 Unit 8 Lesson 3: Practice

What is the difference between theoretical probability and experimental probability?

• Theoretical probability is what "actually" happens, and experimental probability is what "should" happen.

• Theoretical probability is what "should" happen, and experimental probability is what "actually" happens.

• There is no difference between theoretical probability and experimental probability.

Which of the following formulas can be used to find theoretical probability?

• 
• 

Which of the following formulas can be used to find experimental probability?

• 
• 

What is the sample space of the spinner?

Note: R = Red, Y = Yellow, B = Blue, G = Green

• {G, R, B}

• {R, B, B, Y, G}

• {R, Y, B, G}

• {Y}

What is the theoretical probability of landing on blue?

Tags

CCSS.7.SP.C.7A

Gus spins the spinner from the previous questions 60 times.  His results are shown in the table.

What is the experimental probability of landing on blue?

Tags

CCSS.7.SP.C.6

What is the theoretical probability of landing on blue or yellow?

Tags

CCSS.7.SP.C.7A

What is the theoretical probability that a coin will land on heads?

• 0

• 1

Tags

CCSS.7.SP.C.7A

What is the theoretical probability that a coin will land on tails?

• 0

• 1

Tags

CCSS.7.SP.C.7A

If a coin is flipped 140 times, how many times would you predict that the coin lands on heads?

• 40

• 50

• 70

• 100

• A prediction can not be made.

Tags

CCSS.7.SP.C.6