# Compound Probability

## Quiz by Stephanie Dorman

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12 questions

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- Q1What is the probability when you flip a coin of it landing tails up 3 times in a row?01/41/81/2300s
- Q2What is the probability that you choose a black marble, replace it, then choose a black marble?2/51/251/51/45300s
- Q3What is the probability that you choose a black marble, do NOT replace it, then choose a black marble?1/452/51/51/25300s
- Q4What is the probability that you choose a black marble, do NOT replace it, then choose a black marble do NOT replace it then choose a black marble?1/4503/101/125300s
- Q5What is the probability that you choose a stripped marble, replace it, then choose a white marble?8/454/252/54/5300s
- Q6What is the probability that you choose a stripped marble, do NOT replace it, then choose a white marble?4/52/54/258/45300s
- Q7What is the probability that you spin an H and an odd number?8/496/78/144/7300s
- Q8What is the probability that you spin a vowel and a number less than 4?6/495/143/75/7300s
- Q9What is the probability that you spin a letter in the word "MATHEMATICS" and a 6?5/495/144/144/49300s
- Q10You have a bag of skittles containing 5 green, 4 yellow, 6 purple, 3 red, and 2 orange skittles. What is the probability you choose a green skittle, eat it, then choose a purple skittle? #simplify (use a calculator)3/403/3811/3911/20300s
- Q11There are 3 choices of jellybeans grape, cherry and orange. If the probability of choosing a grape is 3/10 and the probability of choosing a cherry is 1/5, then what is the probability of choosing an orange?1/51/24/106/10300s
- Q12A bag contains 100 marbles, 37 red and 63 purple. Suppose a student without looking chooses a marble out of a bag. They record the color and then put the marble back into the bag. Students recorded 9 red marbles and 11 purple marbles. What is the probability that the next marble they choose is red?9/10063/10037/1002331/10000300s