Probability Worksheets 7th Grade Math

7th grade math students can enhance their understanding of probability with the help of worksheets. These valuable learning tools provide students with a variety of practice problems and exercises, allowing them to explore the concept of probability in a hands-on manner. By working through these worksheets, students can strengthen their understanding of key probability concepts and improve their ability to solve probability problems.

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  7th Grade Math Probability

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  Printable Probability Worksheets 7th Grade

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  Basic Probability Worksheet

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What is the probability of rolling a 6 on a fair six-sided die?

The probability of rolling a 6 on a fair six-sided die is 1/6, since there is only one outcome out of six possible outcomes (rolling a 1, 2, 3, 4, 5, or 6) that results in a 6.

If there are 5 red marbles and 3 blue marbles in a bag, what is the probability of selecting a red marble?

The probability of selecting a red marble from the bag is 5/8, or 5 out of the total 8 marbles (5 red marbles and 3 blue marbles).

A spinner has 4 equal sections, numbered 1 to 4. What is the probability of landing on an odd number?

The probability of landing on an odd number on the spinner is 2 out of 4, or 1/2, since there are 2 odd numbers (1 and 3) out of a total of 4 numbers on the spinner.

If you flip a fair coin twice, what is the probability of getting two heads?

The probability of getting two heads when flipping a fair coin twice is 1/4, or 25%. This is because each coin flip is independent of the other, so the probability of getting a head on the first flip is 1/2, and the probability of getting a head on the second flip is also 1/2. Multiplying these probabilities together gives 1/4.

In a deck of playing cards, what is the probability of drawing a heart?

In a standard deck of 52 playing cards, there are 13 hearts. Therefore, the probability of drawing a heart from the deck is 13/52, which simplifies to 1/4 or 25%.

A bag contains 8 green marbles and 4 yellow marbles. What is the probability of selecting a yellow marble?

The probability of selecting a yellow marble from the bag is 4/12 or 1/3, which simplifies to approximately 0.3333 or 33.33%.

A jar contains 10 black balls and 6 white balls. If one ball is drawn at random, what is the probability of selecting a black ball?

The probability of selecting a black ball from the jar is calculated by dividing the number of black balls by the total number of balls in the jar. In this case, there are 10 black balls and 6 white balls, making a total of 16 balls. Therefore, the probability of selecting a black ball is 10/16, which simplifies to 5/8 or 0.625, or 62.5%.

A basketball player has made 17 out of 20 free throw shots. What is the probability of the player making the next shot?

The probability of the basketball player making the next free throw shot is 17/20, since they have made 17 out of the total 20 shots previously attempted.

Out of a group of 30 students, 12 play basketball, 15 play soccer, and 8 play both sports. What is the probability of selecting a student who plays at least one of the sports?

To calculate the probability of selecting a student who plays at least one of the sports, you need to consider all the students who play basketball, soccer, or both. There are a total of 12 students who play basketball, 15 students who play soccer, and 8 students who play both sports. When you add up all of those students, you get 19 students (12 + 15 - 8 = 19) who play at least one of the sports out of the 30 total students. Therefore, the probability of selecting a student who plays at least one of the sports is 19/30 or approximately 0.6333.

A fair number cube is rolled 3 times. What is the probability of rolling a 2 on the first roll, a 4 on the second roll, and a 6 on the third roll?

The probability of rolling a specific number (in this case, 2, 4, and 6) on a fair number cube is 1/6 for each roll. To find the probability of all three events happening, we multiply the individual probabilities together: (1/6) * (1/6) * (1/6) = 1/216. Therefore, the probability of rolling a 2 on the first roll, a 4 on the second roll, and a 6 on the third roll is 1/216.