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Probability

Probability. Topic 1: 200. Question: You have a set of cards numbered 1-12. Find the probability of selecting a multiple of 4. Answer 3/12 = 1/4. Back. Topic 1: 400. Question: You have a set of cards numbered 1-12. Find the probability of selecting a prime number. Answer

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Probability

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  1. Probability

  2. Topic 1: 200 • Question: • You have a set of cards numbered 1-12. Find the probability of selecting a multiple of 4. • Answer • 3/12 = 1/4 Back

  3. Topic 1: 400 • Question: • You have a set of cards numbered 1-12. Find the probability of selecting a prime number. • Answer • 5/12 (2, 3, 5, 7, 11 are prime) Back

  4. Topic 1: 600 • Question: • You have a set of cards numbered 1-12. Find the probability of selecting a multiple of 3 or multiple of 4. • Answer • 6/12 = 1/2 (3, 4, 6, 8, 9, 12) Back

  5. Topic 1: 800 • Question: • You have a set of cards numbered 1-12. Find the probability of selecting a multiple of 3 and 4. • Answer • 1/12 Back

  6. Topic 1: 1000 • Question: • Find the odds against picking a day of the week that begins with T. • Answer • 5/2 Back

  7. Topic 2: 200 • Question: • Kayla flipped a coin 30 times. She got 18 heads. Find P(tails). • Answer • 12/30 = 2/5 Back

  8. Topic 2: 400 • Question: • Use the line plot to answer the question. • Find P(Monday) • Answer • 6/25 Back

  9. Topic 2: 600 • Question: • Use the line plot to answer the question. • Find P(weekend) • Answer • 7/25 Back

  10. Topic 2: 800 • Question: • Use the line plot to answer the question. • Based on this data, how many kids would you expect to have birthdays on Tuesday if you sampled 100 kids? • Answer • 20 kids Back

  11. Topic 2: 1000 • Question: • You roll 2 coins 100 times and get the following results: • Two heads = 27 • One heads, and one tails = 48 • Two tails = 25 • For which of these outcomes is the experimental probability the same as the theoretical probability? • Answer • Two tails Back

  12. Topic 3: 200 • Question: • List the sample space for selecting a month of the year at random. • Answer • Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sept, Oct, Nov, Dec Back

  13. Topic 3: 400 • Question: • Show the sample space for spinning the spinner and rolling a number cube. • Answer • B1, B2, B3, B4, B5, B6, G1, G2, G3, G4, G5, G6, Y1, Y2, Y3, Y4, Y5, Y6, R1, R2, R3, R4, R5, R6 Back

  14. Topic 3: 600 • Question: • How many different gelatis can you order from Rita’s if there are 8 water ice flavors, 2 custard flavors, and 3 size choices? • Answer • 48 Back

  15. Topic 3: 800 • Question: • How many ways can 5 runners finish a race? • Answer • 5! = 5 x 4 x 3 x 2 x 1 = 120 Back

  16. Topic 3: 1000 • Question: • How many different ways can the letters of MADISON be arranged if 4 letters are chosen at a time? • Answer • 7 x 6 x 5 x 4 = 840 Back

  17. Topic 4: 200 • Question: • You have a bag of Skittles with 4 green, 3 orange, 1 red, and 2 yellow. You pick two with replacement. • Find P(green, then yellow) • Answer • 4/10 x 2/10 = 8/100 = 2/25 Back

  18. Topic 4: 400 • Question: • You have a bag of Skittles with 4 green, 3 orange, 1 red, and 2 yellow. You pick two with replacement. • Find P(not red, red) • Answer • 9/10 x 1/10 Back

  19. Topic 4: 600 • Question: • You have a bag of Skittles with 4 green, 3 orange, 1 red, and 2 yellow. You pick two without replacement. • Find P(yellow, orange) • Answer • 2/10 x 3/9 = 6/90 =1/15 Back

  20. Topic 4: 800 • Question: • You have a bag of Skittles with 4 green, 3 orange, 1 red, and 2 yellow. You pick two without replacement. • Find P(green, then green) • Answer • 4/10 x 3/9 = 12/90 = 2/15 Back

  21. Topic 4: 1000 • Question: • You take a 4 question True/False quiz. What is the probability that you get all four questions correct if you guess on all of them? • Answer • ½ x ½ x ½ x ½ = 1/16 Back

  22. Topic 5: 200 • Question: • Find 7! • Answer • 5040 Back

  23. Topic 5: 400 • Question: • Find 6P4 • Answer • 6 x 5 x 4 x 3 = 360 Back

  24. Topic 5: 600 • Question: • Find 7C3 • Answer • (7 x 6 x 5) / (3 x 2 x 1) = 210/6 = 35 Back

  25. Topic 5: 800 • Question: • You order a hot fudge sundae with 3toppings from a menu with 7 toppings. How many sundaes are possible? • Answer • (7 x 6 x 5) / (3 x 2 x 1) = 35 Back

  26. Topic 5: 1000 • Question: • You have 5 chores to do when you get home. In how many different ways can you do them? • Answer • 5 x 4 x 3 x 2 x 1 = 120 Back

  27. Bonus Question: 5000 pts. • Question: • How many different ways are there to arrange the letters of TRIDICO? • Answer • (7 x 6 x 5 x 4 x 3 x 2 x 1) / (2 x 1) = 2520 Back

  28. Daily Double The Winner Of The Last Round Write Down How Much Money You Are Willing To Risk If You get the Question write you win that money If you get it wrong you Loss the money!

  29. Daily Double The Winner Of The Last Round Write Down How Much Money You Are Willing To Risk If You get the Question write you win that money If you get it wrong you Loss the money!

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