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Simple probability
| Question | Answer |
|---|---|
| A bag has 4 red marbles and 6 blue marbles. What is the probability of picking a red marble? | 4/10 |
| A spinner has 8 equal sections numbered 1–8. What is the probability of landing on an even number? | 4/8 |
| A box contains 5 pencils and 5 pens. What is the probability of choosing a pen? | 5/10 |
| A coin is flipped. What is the probability of landing on heads? | 1/2 |
| A six-sided die is rolled. What is the probability of rolling a 3? | 1/6 |
| A jar has 9 green beads and 1 yellow bead. What is the probability of picking a yellow bead? | 1/10 |
| There are 3 chocolate bars and 7 granola bars. What is the probability of choosing a granola bar? | 7/10 |
| A deck of 10 cards is numbered 1–10. What is the probability of picking a card greater than 5? | 5/10 |
| A spinner has 4 blue, 2 green, and 2 red spaces. What is the probability of landing on blue? | 4/8 |
| A coin is flipped twice. What is the probability that both flips land on tails? | 1/4 |
| A bag contains 2 black socks and 3 white socks. What is the probability of picking a black sock? | 2/5 |
| There are 5 blue, 3 red, and 2 yellow balls. What is the probability of picking a yellow ball? | 2/10 |
| A number cube is rolled. What is the probability of rolling a number less than 4? | 3/6 |
| A bag has 10 marbles, 7 are red. What is the probability of not picking red? | 3/10 |
| A spinner is divided into 5 equal parts. What is the probability of landing on one specific color? | 1/5 |
| There are 8 cookies: 3 chocolate chip, 3 oatmeal, and 2 sugar. What is the probability of picking oatmeal? | 3/8 |
| A jar has 12 candies, 4 of which are green. What is the probability of picking green? | 4/12 |
| A box contains 2 pencils, 2 erasers, and 6 markers. What is the probability of picking an eraser? | 2/10 |
| A spinner is numbered 1–10. What is the probability of spinning a number less than 7? | 6/10 |
| A bag has 3 red, 3 green, and 4 yellow marbles. What is the probability of not picking yellow? | 6/10 |
| There are 4 chocolate muffins and 6 blueberry muffins. What is the probability of choosing blueberry? | 6/10 |
| A dice is rolled. What is the probability of rolling a number greater than 4? | 2/6 |
| A spinner has 3 red, 3 blue, and 2 yellow sections. What is the probability of red or blue? | 6/8 |
| A coin is flipped and a die is rolled. What is the probability of heads and an even number? | 3/12 |
| A jar contains 8 balls numbered 1–8. What is the probability of picking an odd number? | 4/8 |
| If someone chooses a day of the week at random, what is the probability it’s a weekend day? | 2/7 |
| If a month is chosen at random, what is the probability it starts with the letter “J”? | 3/12 |
| A calendar year has 12 months. What is the probability of picking a summer month (June, July, or August)? | 3/12 |
| If a U.S. coin is chosen at random (penny, nickel, dime, quarter), what is the probability of picking a coin worth more than 10 cents? | 1/4 |
| If a letter is picked from the word “PROBABILITY,” what is the probability of picking a vowel? | 4/11 |
| If a student picks a season at random, what is the probability of choosing winter? | 1/4 |
| If you pick a U.S. state at random, what is the probability it starts with “M”? | 8/50 |
| If a card is drawn from a deck, what is the probability it’s a heart? | 13/52 |
| If a month is chosen randomly, what is the probability it has 31 days? | 7/12 |
| If you roll a number cube, what is the probability of rolling a prime number (2, 3, or 5)? | 3/6 |
| If you select a letter from the alphabet, what is the probability it’s a vowel? | 5/26 |
| If you pick a day in January, what is the probability it’s after the 20th? | 11/31 |
| If someone chooses a month at random, what is the probability it’s in the first half of the year? | 6/12 |
| If a season is chosen at random, what is the probability it’s not summer? | 3/4 |
| If you pick a U.S. coin at random, what is the probability it’s worth less than 10 cents? | 2/4 |
| A student picks a day of the week at random. What is the probability that it’s a weekday and the day’s name has the letter “a” in t? | 2/7 |
| If a month is chosen at random, what is the probability it has exactly 30 days? | 4/12 |
| A deck of 52 cards has 26 red and 26 black cards. What is the probability of picking a red face card? | 6/52 |
| A die is rolled once. What is the probability that the number rolled is even and greater than 2? | 2/6 |
| A spinner has 10 equal sections numbered 1–10. What is the probability of spinning a prime number? | 4/10 |
| You flip a coin and roll a die. What is the probability of getting tails and a number greater than 4? | 2/12 |
| If a month is chosen at random, what is the probability its name has exactly five letters? | 2/12 |
| A bag contains 3 red, 4 blue, and 5 green marbles. What is the probability of not picking a blue marble? | 8/12 |
| A standard deck of 52 cards is used. What is the probability of drawing a black card that is a number less than 5? | 8/52 |
| A jar has 20 candies: 5 are red, 5 are blue, 5 are green, and 5 are yellow. If one candy is chosen at random, what is the probability it’s red or green? | 10/20 |
Created by:
MrLittle5