Probability Review with Tree Diagram and Multiplication Method

In Billy's sock drawer, he has loose socks of three colors (red, white and brown). If he reaches in twice, what is the total possible of combinations he could grab?

• 3

• 6

• 9

• 12

When rolling 1 die once, spinning a spinner once, and flipping a coin once, how many combinations are possible? 

• 13

• 32

• 60

• 16

Which shows the sample space for flipping two coins?

• H, T

• HH, HT, TH, TT

• HH, TT

• Dime, Nickel

During snack time, the students were offered their choice of either white or chocolate milk, and either chocolate chip or oatmeal cookies. How many variations were possible?

• 1

• 2

• 4

• 6

If you spin two spinners, one with 2, 4 and 6 and the other with 1, 3 and 5, what is the sample space?

• 1, 2, 3, 4, 5, 6

• 2, 4, 6

• 1, 3, 5

• (1, 2), (1, 4), (1, 6), (3, 2), (3, 4), (3, 6), (5, 2), (5, 4), (5,6)

Q1. How many legs does a spider have?

• 6

• 12

• 2

• 10

What is the probability that you will get mushrooms on your pizza?

• 2_/10

• 2

• 2_/5

There are 10 counters in a bag, 3 red and 7 blue.

I take one counter, then another without replacement.

Find the probability of the value marked x

• ⁷/₁₀

• ³/₁₀

• ⁶/₉

• ²/₉

There are 10 counters in a bag, 3 red and 7 blue.

I take one counter, then another without replacement.

Find the probability of picking one of each colour counters.

• ²¹/₉₀

• ⁴⁸/₉₀

• ⁴²/₉₀

• ¹⁰/₁₉

Bert & Ernie choose a juice to have for breakfast. The probability that Bert chooses orange is ³/₄. If Bert chooses orange, the probability that Ernie chooses orange is ⁴/₅. If Bert chooses apple the probability that Ernie chooses apple is ²/₃. Find the value of the probability marked c.

• ¹/₄

• ¹/₅

• ¹/₃

• ³/₄