Mathematics
Probability
Grade 8 · Middle School
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- Question 1 of 20Easy
A fair coin is tossed once. The probability of getting heads is ...
- Question 2 of 20Easy
A die is rolled once. The probability of getting a 3 is ...
- Question 3 of 20Easy
The number of outcomes in the sample space when rolling one die is ...
- Question 4 of 20Easy
A die is rolled once. The probability of getting an even number is ...
- Question 5 of 20Easy
A bag contains 3 red balls and 2 blue balls. If one ball is drawn, the probability of getting a red ball is ...
- Question 6 of 20Easy
A die is rolled once. The probability of getting an odd number is ...
- Question 7 of 20Medium
Two coins are tossed together. The probability of getting heads on both is ...
- Question 8 of 20Medium
A die is rolled once. The probability of getting a number greater than 4 is ...
- Question 9 of 20Medium
The probability of rain on a certain day is 0.3. The probability that it does not rain that day is ...
- Question 10 of 20Medium
A die is rolled once. The probability of getting a multiple of 3 is ...
- Question 11 of 20Medium
A bag contains 4 red balls and 6 white balls. If one ball is drawn, the probability of getting a white ball is ...
- Question 12 of 20Medium
A coin is tossed 100 times. The expected frequency of heads is ...
- Question 13 of 20Medium
Two dice are rolled together. The number of outcomes in the sample space is ...
- Question 14 of 20Medium
Two dice are rolled together. The probability that the sum is 7 is ...
- Question 15 of 20Hard
Two dice are rolled together. The probability that the sum is at least 10 is ...
- Question 16 of 20Hard
A die is rolled 120 times. The expected frequency of getting a prime number is ...
- Question 17 of 20Hard
Two coins are tossed together. The probability of getting at least one head is ...
- Question 18 of 20Hard
A card is drawn from 10 cards numbered 1 to 10. The probability of getting a prime-numbered card is ...
- Question 19 of 20Hard
A bag contains 6 red, 4 white, and 5 blue balls. If one ball is drawn, the probability of getting a ball that is not red is ...
- Question 20 of 20Hard
The probability that an item is defective is 0.02. Out of 500 items, the expected number of defective items is ...