Summary Sheet Fractions, decimals, percentages Probability 1. What is the probability of choosing a red marble from a jar containing 5 red, 6 green and 4 blue marbles? 2. What is the probability of choosing a marble that is not green in problem 2? 3. What is the probability of getting an even number when rolling a single 6-sided die? 4. What is the probability of choosing a queen or a king from a standard deck of 52 playing cards? 5. What is the probability of landing on an odd number if spinning a spinner with 9 equal sectors numbered 1 to 9? 6. What is the probability of getting a 0 after rolling a single die numbered 1 to 6? 7. What is the probability of choosing the letter a from the word mathematics? 8. What is the sample space for choosing a letter from the word mathematics? 1. If you roll a dice 180 times, how many times do you expect to see a 5? 2. If you flip a coin 40 times, how many times do you expect to see a 2? 3. If you chose a person at random from this class, how many times would you expect to pick a boy after you have done this 140 times? 4. How many times would you choose Alex if you were to do this 420 times? 5. The UK National Lottery has 49 balls (numbered 1-49). The lottery takes place twice a week. Over 2 years how many times would you expect to get the number 16? For Theoretical Probability: Relative Frequency = Number of successes Total Number of Trials