Year 9 Tree Diagnosis

A bag contains 3 white balls, 4 green balls. 2 balls are drawn from the bag without replacement.

Use a tree diagram to find the probability that the balls are white.

• 1/6

• 1/11

• 1/7

• 3/11

A bag contains 3 white balls, 4 green balls. 3 balls are drawn from the bag without replacement.

Use a tree diagram to find the probability that the balls are white.

• 1/6

• 1/35

• 1/7

• 3/11

A bag contains 3 white balls, 4 green balls and 5 red balls. 2 balls are drawn from the bag without replacement.

Use a tree diagram to find the probability that the balls are white.

• 1/6

• 1/22

• 1/220

• 3/11

A bag contains 3 white balls, 4 green balls. 2 balls are drawn from the bag with replacement.

Use a tree diagram to find the probability that the balls are green.

• 1/6

• 1/9

• 16/49

• 3/11

A bag contains 3 white balls, 4 green balls and 5 red balls. 2 balls are drawn from the bag without replacement.

Use a tree diagram to find the probability that the balls are red.

• 1/22

• 5/33

• 1/220

• 3/11

A bag contains 2 white balls, 3 green balls. 2 balls are drawn from the bag without replacement.

Use a tree diagram to find the probability that the balls are all of different colours.

• 1/6

• 1/11

• 2/11

• 3/5

A bag contains 2 white balls, 3 green balls. 2 balls are drawn from the bag without replacement.

Use a tree diagram to find the probability that the balls are all of same colour.

• 1/6

• 1/11

• 2/11

• 2/5

A fair dice was rolled and a fair coin flipped. What is the probability that a 6 was rolled and a tails was flipped?

• 1/2

• 1/12

• 2/12

• 1/6

A fair dice was rolled and a fair coin flipped. What is the probability that and even number was rolled and a head was flipped?

• 1/4

• 6/12

• 1/216

• 3/4

A fair dice was rolled and a fair coin flipped. What is the probability that you DO NOT roll a 5 and DO NOT flip a head?

• 5/12

• 1/6

• 2/4

• 7/9