Define mutually exclusive and exhaustive events, giving one example of each.
Probability
Original Khojo Papers practice question — not from a past board paper.
7/8
No citable source has been recorded for this record. Treat it as practice material, not as fact.
The only outcome with no head is TTT, so the probability of at least one head is 1 − 1/8 = 7/8.
From the same topic and chapter, at a similar level.
Define mutually exclusive and exhaustive events, giving one example of each.
Probability
A card is drawn from a pack of 52. Find the probability that it is a spade or a king.
Probability
Two dice are thrown. Find the probability that the sum is at least 10.
Probability
If P(A) = 0.5, P(B) = 0.4 and P(A ∩ B) = 0.2, find P(A ∪ B).
Probability
A card is drawn from a well-shuffled pack. Find the probability that it is a red king.
Probability
In a class of 60 students, 35 play cricket, 28 play football and 12 play both. How many play neither?
Sets