16C - Tree Diagrams

Two dice are rolled and it is recorded whether the result on each is odd or even. What is the probability both are odd?

• 1/4

• 1/2

• 2/4

• 3/4

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.8

CCSS.7.SP.C.7

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

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.8

CCSS.7.SP.C.7

A game is played where a fair coin is flipped.

Heads you lose, tails you get to flip again.

On the second go heads you lose and tails you win.

What is the probability of losing on the first go?

• ¹/₂

• ¹/₄

• ³/₄

• 1

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.8

CCSS.7.SP.C.7

A game is played where a fair coin is flipped.

Heads you lose, tails you get to flip again.

On the second go heads you lose and tails you win.

What is the probability of losing on the second go?

• ¹/₂

• ¹/₄

• ³/₄

• 1

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.8

CCSS.7.SP.C.7

A game is played where a fair coin is flipped.

Heads you lose, tails you get to flip again.

On the second go heads you lose and tails you win.

What is the probability of winning?

• ¹/₂

• ¹/₄

• ³/₄

• 1

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.8

CCSS.7.SP.C.7

A game is played where a fair coin is flipped.

Heads you lose, tails you get to flip again.

On the second go heads you lose and tails you win.

What is the probability of losing?

• ¹/₂

• ¹/₄

• ³/₄

• 1

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.8

CCSS.7.SP.C.7

There are 8 counters in a bag, 1 is red.

I take one counter, replace it, then take another.

What is the probability of taking a red counter on the first go?

• ¹/₈

• ⁷/₈

• ¹/₇

• ⁶/₇

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

There are 8 counters in a bag, 1 is red.

I take one counter, replace it, then take another.

What is the probability of taking two red counters?

• ¹/₈

• ¹/₆₄

• ²/₈

• ²/₆₄

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.8

CCSS.7.SP.C.7

There are 8 counters in a bag, 1 is red.

I take one counter, replace it, then take another.

What is the probability of taking counters of the same colour?

• ¹⁴/₆₄

• ¹/₆₄

• ⁵⁰/₆₄

• ⁴⁹/₆₄

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.8

CCSS.7.SP.C.7

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

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.8

CCSS.7.SP.C.7

CCSS.7.EE.B.3

CCSS.7.NS.A.2

CCSS.7.NS.A.3