Investigate situations that involve elements of chance by comparing experimental distributions with expectations from models of the possible outcomes, acknowledging variation and independence.

Assessment task: Investigate situations that involve elements of chance by comparing experimental distributions with expectations from models of the possible outcomes, acknowledging variation and independence.

Question 1:

Show your working and answer here (you may need to add a photo of a tree diagram you frew on your little whiteboard):

I think Beth won. Here is my diagram.

I worked this out by following the clues, in the clue it said that Aroha didn’t play Connie so then I knew that Aroha and Connie only played two games. The other clue said that Beth beat Delsey so that meant that Beth won and Delsey had lost.

Question 2:

Car number plates in the land of Automobile have two letters and two digits. How many different number plates could be made using two letters and two digits?

Show your working and answers here:

There are 92 numbers you could use. 13 letters you could use.

My answer is 4,519

Question 3:

3a:

Show your working and answer here: I worked out all the combinations and the answer was 16. Here is my working out.

3b:

Show your working and answer here: to be correct jonathan has to send in 16 entries. Here are my combinations.

What is you next step?

Mt next step is to try year 9/10 statistics.

Finally, add the screenshots from the 3 IXL activities you did here:

Activity One
Activity Two
Activity Three