alleryProbability of a sure event is
A0.5
B1/2
C1
D0
Answer & Solution
Correct answer: C. 1
1. A sure event always occurs; all outcomes are favourable.
2. P(sure) = total / total = 1.
3. This follows from the second probability axiom.
4. So P(sure event) = 1.
_Source: ICAI BoS Foundation Paper 3, Ch 15 'Probability', p.5_
Keep practising Probability
Browse all Probability questions for AP Intermediate 2nd Year, or explore more Mathematics topics.
Related questions
A bag has 3 red and 5 blue balls. One ball drawn at random. Probability it is red isFrom a deck of 52 cards, one is drawn. The probability that it is a red queen isThree coins are tossed. The probability of getting at least one head isA card is drawn from a standard deck of 52 cards. The probability of drawing an ace isTwo coins are tossed. The probability of getting two heads isA die is rolled. The probability of getting an even number isA coin is tossed once. The probability of getting heads isProbability claims — true or false?