Presentation is loading. Please wait.

Presentation is loading. Please wait.

Timed test.  You will see a series of 10 questions.  You have to write down the answer to the question.  Easy enough eh?  REMEMBER TO GIVE PROBABILITIES.

Similar presentations


Presentation on theme: "Timed test.  You will see a series of 10 questions.  You have to write down the answer to the question.  Easy enough eh?  REMEMBER TO GIVE PROBABILITIES."— Presentation transcript:

1 Timed test

2  You will see a series of 10 questions.  You have to write down the answer to the question.  Easy enough eh?  REMEMBER TO GIVE PROBABILITIES AS EITHER:  FRACTIONDECIMALORPERCENTAGE

3  A fair, 6-sided dice is thrown.  What is the probability of getting a 5?

4  A fair, 6-sided dice is thrown 1200 times.  Roughly how many times would you expect the number 3 to come up?

5  Sam’s pencil case contains 3 red, 4 blue and 5 black pens.  He takes a pen out without looking.  What is the probability that it is blue?

6  A spinner has 5 sections with the following numbers on it: 34456  Each section is equally likely.  What is the probability of the spinner landing on the number 4?

7  A box contains 12 red, 20 green and 8 yellow sweets.  One is picked out at random.  What is the probability that it is not red?

8  A fair, 6-sided dice is thrown.  What is the probability of getting a multiple of 3?

9  The probability of Cheryl winning a race is 0.2  What is the probability that she doesn’t win?

10  The probability that it will rain today is 0.85  What is the probability that it will not rain?

11  A family has 3 children.  One possible combination is Boy, Boy, Girl  How many possible combinations are there?  (You do not need to list them.)

12  A fair spinner has four sections labelled 1357  The spinner is spun and a fair coin is thrown.  List all the possible outcomes (eg H,1)  What is the probability of getting: Tails and a number less than 4?

13  Answers on the next pages

14  1) 1/6  2) 200  3) 4/12 = 1/3  4) 2/5  5) 28/40 = 7/10  6) 2/6 = 1/3  7) 0.8  8) 0.15  9) 8  10)h1,h3,h5,h7 t1,t3,t5,t7 2/8 = 1/4


Download ppt "Timed test.  You will see a series of 10 questions.  You have to write down the answer to the question.  Easy enough eh?  REMEMBER TO GIVE PROBABILITIES."

Similar presentations


Ads by Google