Lesson Introduction to Probability

Which numbers are more likely to be spun on the spinner for #12?

• 1, 2, 3,

• 4, 5, 6

• 1, 3, 6

• 2, 4, 5

Which numbers are less likely to be spun on the spinner for #12?

• 1, 2, 3,

• 4, 5, 6

• 1, 3, 6

• 2, 4, 5

Which numbers are you more likely to spin on the spinner for #13?

• 1

• 2

• 3

• 4

• They all have an equal chance of being spun.

How many possible outcomes are there in Question #14?

• 8

• 6

• 4

• 1

What are the favorable outcomes of spinning a number no greater than 3?

• 8

• 1, 2, 3

• 4, 5, 6, 7, 8

• 3

In how many ways can spinning an even number occur?

• 2 ways

• 1 way

• 3 ways

• 4 ways

In how many ways can spinning a prime number occur?

• 2 ways

• 1 way

• 3 ways

• 4 ways

You randomly choose one marble from the bag. (a)Find the number of ways the event can occur and (b) Find the favorable outcomes of the event. 18. Choosing Blue...

• (a) 2 ways (b) blue, blue

• (a) 1 way (b) blue

• (a) 9 ways (b) purple, red, blue, green, yellow, blue, purple, red, red

• (a) 2 ways (b) blue

You randomly choose one marble from the bag. (a)Find the number of ways the event can occur and (b) Find the favorable outcomes of the event. 19. Choosing green...

• (a) 2 ways (b) green, green

• (a) 1 way (b) green

• (a) 9 ways (b) purple, red, blue, green, yellow, blue, purple, red, red

• (a) 2 ways (b) green

You randomly choose one marble from the bag. (a)Find the number of ways the event can occur and (b) Find the favorable outcomes of the event. 20. Choosing purple...

• (a) 2 ways (b) purple, purple

• (a) 1 way (b) purple

• (a) 9 ways (b) purple, red, blue, green, yellow, blue, purple, red, red

• (a) 2 ways (b) purple, red