Statistics and Probability Quiz
20 questions · no time limit
0:00
EVALUATE OUTCOMES OF DECISIONS
Question 1 of 20
No time limit
Current
Answered
Flagged
Not seen
A school booth runs a simple wager: you pay $5 to play. With probability 0.10 you win $20; with probability 0.90 you win $0. From the player's perspective, what is the expected value (long-run average net gain/loss) of 1 play?
YOUR PROGRESS
20
QUESTIONS
Ready when you are
Answer in any order. Your progress shows here as you go.
QUESTIONS
KEYBOARD
Pick an answer ABCD
Next question ↵→
Previous ←
Flag for review F
Answers save as you go · flagged questions come back at the end