Mathematics
Probability
Grade 9 · Middle School
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- Question 1 of 20Easy
A die is rolled once. The probability of getting an odd number is ...
- Question 2 of 20Easy
A coin is tossed once. The probability of getting heads is ...
- Question 3 of 20Easy
The probability of an event that is certain to happen is ...
- Question 4 of 20Easy
A bag contains 3 red balls and 2 blue balls. If one ball is drawn at random, the probability of drawing a red ball is ...
- Question 5 of 20Easy
If the probability of an event is , the probability of the event not is ...
- Question 6 of 20Easy
A die is rolled once. The probability of getting a number greater than 4 is ...
- Question 7 of 20Medium
Two coins are tossed together. The probability of getting heads on both coins is ...
- Question 8 of 20Medium
A die is rolled once. The probability of getting a prime number is ...
- Question 9 of 20Medium
A bag contains 5 red balls, 4 white balls, and 3 green balls. The probability of drawing a white ball is ...
- Question 10 of 20Medium
The probability of rain on a certain day is . The probability that it does not rain that day is ...
- Question 11 of 20Medium
One card is drawn from a standard deck of 52 cards. The probability of drawing an ace is ...
- Question 12 of 20Medium
Two dice are rolled together. The probability that the sum of the numbers is 7 is ...
- Question 13 of 20Medium
A die is rolled 60 times. The expected frequency of getting a 4 is ...
- Question 14 of 20Medium
A bag contains 6 red balls and 4 blue balls. The probability of drawing a ball that is not red is ...
- Question 15 of 20Hard
Two dice are rolled together. The probability that the sum of the numbers is not 7 is ...
- Question 16 of 20Hard
A coin and a die are tossed together. The probability of getting heads on the coin and an even number on the die is ...
- Question 17 of 20Hard
The probability of an event is and the probability of its complement is . The value of is ...
- Question 18 of 20Hard
A number is chosen at random from to . The probability of choosing a multiple of 3 is ...
- Question 19 of 20Hard
A bag contains 5 red balls and some white balls. If the probability of drawing a red ball is , the number of white balls is ...
- Question 20 of 20Hard
Two dice are rolled together. The probability that the product of the two numbers is even is ...