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  1. Problems
  2. /Statistics and Probability
  3. /Probability

Probability

Mathematics
+ Upload a Problem
More in Statistics and ProbabilityStatisticsProbabilityConditional Probability and Bayes' TheoremRandom Variables and Probability Distributions
21 problems
Exam:
Type:
1.
A leap year is chosen at random. Find the probability that it has 53 Sundays. New
High School (9–10), General · ProbabilitySATStemPy LabStemPy Lab
Hard
2.
A spinner has 10 equal sectors numbered 1 to 10… New
High School (9–10), General · ProbabilityStemPy LabStemPy Lab
Easy
3.
A box holds 60 discs numbered 1 to 60. One disc is drawn at random… New
High School (9–10), General · ProbabilityStemPy LabStemPy Lab
Medium
4.
A bag holds 20 balls, some of them red. If 10 more red balls are put in, the probability of drawing… New
High School (9–10), General · ProbabilitySATStemPy LabStemPy Lab
Medium
5.
One card is drawn from a full pack. Find the probability that it is neither a red card nor a queen. New
High School (9–10), General · ProbabilityStemPy LabStemPy Lab
Medium
6.
All four jacks and the two red queens are removed from a pack… New
High School (9–10), General · ProbabilitySATStemPy LabStemPy Lab
Medium
7.
One card is drawn from a well-shuffled pack of 52 cards… New
High School (9–10), General · ProbabilityStemPy LabStemPy Lab
Easy
8.
Two dice are rolled and the two numbers are multiplied… New
High School (9–10), General · ProbabilityStemPy LabStemPy Lab
Hard
9.
Two dice are rolled. Find the probability that at least one of them shows a number greater than 4. New
High School (9–10), General · ProbabilitySATStemPy LabStemPy Lab
Medium
10.
Two dice are rolled. Find the probability that the sum is 9, and the probability that the sum is at… New
High School (9–10), General · ProbabilityStemPy LabStemPy Lab
Medium
11.
Three coins are tossed together. Find the probability of getting exactly two heads… New
High School (9–10), General · ProbabilityStemPy LabStemPy Lab
Easy
12.
A number is chosen at random from 1 to 100… New
High School (9–10), General · ProbabilitySATStemPy LabStemPy Lab
Hard
13.
A lucky dip at a school fair has 250 tickets… New
High School (9–10), General · ProbabilitySATStemPy LabStemPy Lab
Medium
14.
A bag holds 7 red, 5 green and 3 white tokens of the same size… New
High School (9–10), General · ProbabilityStemPy LabStemPy Lab
Easy
15.
A game spinner can show red, blue or green… New
High School (9–10), General · ProbabilitySATStemPy LabStemPy Lab
Medium
16.
One fair die is rolled. Find the probability of each event… New
High School (9–10), General · ProbabilityStemPy LabStemPy Lab
Easy
17.
A spinner has four sectors: red 180°, blue 90°, yellow 60° and green 30°… New
High School (9–10), General · ProbabilityStemPy LabStemPy Lab
Medium
18.
A number is chosen at random from 1 to 40… New
High School (9–10), General · ProbabilitySATStemPy LabStemPy Lab
Medium
19.
One letter is picked at random from the word PROBABILITY… New
High School (9–10), General · ProbabilityStemPy LabStemPy Lab
Medium
20.
Say whether the outcomes of each experiment are equally likely, and why… New
High School (9–10), General · ProbabilityStemPy LabStemPy Lab
Easy
21.
A spinner has ten equal sectors numbered 1 to 10… New
High School (9–10), General · ProbabilityStemPy LabStemPy Lab
Easy