Skip to content
Skills
Problems
Questions
Roles
Skills
Interview
Contest
Leaderboard
Problems
Questions
Roles
Skills
Interview
Contest
Leaderboard
Home
/
Skills
/
Probability
Probability
9 practice items · needed by 4 roles
Easy
6
Medium
2
Hard
1
Practice questions
Positive test for a rare condition
medium
Softmax of equal scores
easy
What softmax outputs look like
easy
From logprobs to probability
medium
Positive test for a rare disease
easy
Expected profit of a dice game
easy
Probability of A or B
easy
Exactly two heads in three flips
easy
How reliable is a fraud flag
hard
