Math Problem of the Week #17

George rolls a random die and flips a random coin. What is the probability that George both rolls a prime number and flips tails?

Math Problem of the Week #16

John has a fair two sided coin and Jennifer has a fair six-sided die. John flips the coin and Jennifer rolls the die. What is the probability that Jennifer rolls a perfect square and John flips a heads?

Math Problem of the Week #11

Three kids are standing in a row. Each of them are asked to say their favorite planet in the solar system. Since there are 8 planets, and each kid must choose one planet, and assuming it is chosen randomly, what is the probability that they all choose the same planet?

Math Problem of the Week #7

Paul arranges 4 cubes with the colors green, yellow, blue, and red in a row in facing him. What is the probability that the red cube and the blue cube are on opposite ends of the row?

Math Problem of the week #4

With different words, this is a problem I encountered in real life. Three kids are sitting in a row. Each of them guesses a number 1-3. What is the chance that two or more of them pick the same number? Answer as a percent rounded to the nearest whole percent. (example: 45.6% rounded to the … Continue reading Math Problem of the week #4