by BlastRoom
Comparing what should happen with what did, and saying what more trials do to the gap.
#probability_and_statistics

40 questions
One question set, multiple game modes. Tap any game to see it in action. Not sure which to pick?
Answer to place stones and capture territory.
Outrun the snow together.
Earn blasts, then hunt the other team.
Answer to earn energy, then climb.

The class blasts through walls together.
Bid on mystery lots. Most money wins.
Sell tours. Nice, standard, or a total scam.
Answer, restock, and serve the rush.
More correct answers pulls the rope your way.
Answer, then shoot down the alien wave.
Answer, then tap to leap the frozen ridge.
A soccer player takes 50 penalty kicks at practice and scores on 32. What is the experimental probability she scores her next kick, as a fraction in lowest terms?
A spinner has 5 equal sections: red, red, blue, green, yellow. In 80 spins, it lands on red 36 times. What is the experimental probability of red, as a fraction in lowest terms?
A fair six-sided die is rolled 90 times and shows a 6 on 12 rolls. Give the experimental probability of rolling a 6, as a fraction in lowest terms.
A bag contains 4 orange tiles and 6 purple tiles. A tile is drawn, recorded, and replaced 70 times; orange occurs 21 times. What is the experimental probability of orange, as a fraction in lowest terms?
A game app randomly chooses one of 4 equal prizes. In 120 plays, the sticker prize appears 38 times. What is the experimental probability of the sticker prize, as a fraction in lowest terms?
A jar has 3 black marbles and 7 white marbles. A marble is drawn with replacement 50 times, and black appears 18 times. What is the experimental probability of black, as a fraction in lowest terms?
A fair coin is flipped 64 times and lands tails 29 times. What is the experimental probability of tails, as a fraction in lowest terms?
A spinner has 8 equal sections numbered 1 through 8. In 96 spins, a number greater than 6 occurs 30 times. What is the experimental probability, as a fraction in lowest terms?
A free-throw contest records 75 shots, and Kai makes 48. What is Kai's experimental probability of making a shot, as a fraction in lowest terms?
A box has 2 green, 5 blue, and 3 red cards. One card is drawn with replacement 40 times; blue is drawn 17 times. What is the experimental probability of blue, as a fraction in lowest terms?
A fair coin is tossed 100 times and lands heads 56 times. What is the experimental probability of heads, as a decimal to three places?
A spinner has 3 equal sections labeled A, B, and C. In 45 spins, it lands on C 10 times. What is the experimental probability of C, as a fraction in lowest terms?
A fair coin is flipped 60 times and lands heads 37 times. What is the theoretical probability of heads on the next flip, as a decimal to three places?
A spinner has 6 equal sections: 2 red, 1 blue, and 3 green. In 90 spins, red occurs 25 times. What is the theoretical probability of red, as a fraction in lowest terms?
A fair six-sided die is rolled 72 times and shows an even number 40 times. What is the theoretical probability of an even number, as a fraction in lowest terms?
A bag contains 5 yellow chips and 15 blue chips. In 50 draws with replacement, yellow appears 16 times. What is the theoretical probability of yellow, as a decimal to three places?
A number cube has faces 1 through 6. In 120 rolls, a number less than 3 appears 35 times. What is the theoretical probability of a number less than 3, as a fraction in lowest terms?
A spinner has 10 equal sections, 4 labeled star and 6 labeled circle. In 200 spins, star appears 92 times. What is the theoretical probability of star, as a fraction in lowest terms?
A jar has 8 red beads and 12 white beads. In 100 draws with replacement, red appears 35 times. What is the theoretical probability of red, as a decimal to three places?
A fair coin is flipped 48 times and lands tails 31 times. What is the theoretical probability of tails on the next flip, as a fraction in lowest terms?
A spinner has 12 equal sections numbered 1 through 12. In 144 spins, a multiple of 3 occurs 52 times. What is the theoretical probability of a multiple of 3, as a fraction in lowest terms?
A box contains 1 gold ticket and 9 silver tickets. In 80 draws with replacement, gold appears 11 times. What is the theoretical probability of gold, as a decimal to three places?
A fair six-sided die is rolled 180 times and shows a number greater than 4 on 68 rolls. Using theoretical probability, how many rolls are expected to be greater than 4?
A spinner has 5 equal sections, one labeled win. In 250 spins, win occurs 43 times. Using theoretical probability, how many wins are expected in 250 spins?
A bag contains 3 red marbles and 7 blue marbles. In 150 draws with replacement, red appears 51 times. Using theoretical probability, how many red draws are expected?
A fair coin is flipped 320 times and lands heads 171 times. Based on theoretical probability, how many heads are expected in 320 flips?
A spinner has 8 equal sections, 3 blue and 5 green. In 160 spins, blue occurs 54 times. Using theoretical probability, what is the expected number of blue results?
A number cube with faces 1 through 6 is rolled 240 times and shows 1 or 2 on 86 rolls. By theoretical probability, how many rolls of 1 or 2 are expected?
A jar contains 6 green cubes and 4 yellow cubes. In 90 draws with replacement, green appears 49 times. Using theoretical probability, how many green draws are expected?
A fair coin is flipped 500 times and lands tails 244 times. Using theoretical probability, how many tails are expected in 500 flips?
A fair die is rolled 60 times and shows a 4 on 8.3% of rolls, then 6,000 times and shows a 4 on 16.5%. What does the second result show?
A fair coin lands heads on 70% of 20 flips and on 51.2% of 2,000 flips. Which conclusion fits the long-run relative frequency?
A spinner has 4 equal colors. Purple appears on 40% of 25 spins and 24.7% of 4,000 spins. What does the larger record suggest about experimental probability?
A bag has 2 red chips and 8 white chips. Red appears in 5 of 10 draws and in 198 of 1,000 draws, with replacement each time. What is shown by the longer experiment?
A fair die shows an even number on 12 of 18 rolls and on 2,997 of 6,000 rolls. What is the best comparison of the two records?
A spinner has 10 equal sections, 3 labeled bonus. Bonus appears on 10% of 20 spins and 29.6% of 5,000 spins. What does this illustrate?
A fair coin has landed tails on the last 6 flips. What is the theoretical probability that the next flip lands heads, as a decimal to three places?
A fair die has rolled a 2 on the last 4 rolls. What is the probability the next roll is a 2, as a fraction in lowest terms?
A spinner has 5 equal sections, one red and four blue. It lands blue on the last 7 spins. What is the theoretical probability the next spin is red?
A bag has 3 green marbles and 2 yellow marbles. A marble is drawn and replaced; the last 5 draws were green. What is the theoretical probability the next draw is yellow?
Crack the passcode before the zombies get in.
Answer, then swat bugs for bonus points.
Race through questions at your own speed.
Same question on every screen. Fastest wins.

Pick a tile, answer, hit bonuses and steals.
The Addition Rule and Mutually Exclusive Events
40 questions