Mar. 25-28

Grade 8 Problem of the week Mar. 25-28

1. A clothing manufacturer sells 2 different styles of jeans in five different colours. How many combinations of styles and colours are possible? Show how you know.

2.  A regular die numbered 1 to 6 is rolled and a spinner with equal sections ABCD is spun. 

1. What is the probability of an even number and A?

2. What is the probability of  5 and D?

3. Peter has 3 different colour scarves, 3 pairs of gloves and 2 hats. How many combinations can he make with the scarves, gloves and hats? Show how you know.

4. A coin is tossed, a regular die labelled 1 to 6 is rolled and a spinner with equal sections labelled ABCD is spun.  Show how you know.

1. What is the probability of heads, an even number and A?

2. What is the probability of tails, 5 and D?

5.  A bag contains 7 yellow candy, 3 green candy and 8 red candy. A candy is removed from the bag without looking, the colour is recorded and returned to the bag. A second candy is drawn and its colour is recorded and returned. A third colour is drawn and its colour is recorded.

1. How many possible outcomes are there?

2. What is the probability of a yellow followed by a green followed by a red candy?

3. What is the probability of a yellow followed by a red followed by a red candy?

4. What is the probability of a red followed by a green followed by a yellow candy?

5. What is the probability of all candy being all red?