Statisticseasy · Past Paper
Which value represents a certain event?
A0
B1
C0.5
D100
✓ Correct Answer: B — 1
Certainty in probability is represented by 1.
Share this question
More from Statistics
- What is the probability of getting no heads in 4 tosses of a fair coin?
- In a class, the ratio of boys to girls is 3:2. If the mean weight of boys is 50kg and girls is 40kg, the mean weight of the whole class is:
- A month is chosen at random from a year. What is the probability that it starts with the letter 'J'?
- If P(A) = 0.5, P(B) = 0.3, and events A and B are independent, find P(A and B).
- What is the probability of getting a prime number when a die is thrown?