Probability questions
692 published questions with worked solutions.
- Let A and B are two independent events. STATEMENT-1: If P(A) = 0.3 and P(A B) = 0.8 then P(B) is 27. STATEMENT-2: P( E) = 1 -...
- Five horses are in a race. A man selects two of them at random and bets on them. All the horses have equal chances of winning....
- A and B are two independent events such that P(A' B) = 2 15 and P(A B') = 16. Then P(B) is equal to
- A card from a pack of 52 cards is lost. From the remaining cards of the pack two cards are drawn at random and are found to be...
- A question paper contains 10 questions divided in two equal groups. A candidate has to attempt 6 questions selecting not more...
- One Indian and four American men and their wives are to be seated randomly around a circular table. Then the conditional...
- Let H_1, H_2, , H_n be mutually exclusive and exhaustive events with P(H_i) > 0; i = 1, 2, 3, , n. Let E be any other event with...
- Let X be a set containing 10 elements and P(X) be its power set. If A and B are picked up at random from P(X), with replacement,...
- If the lengths of the sides of a triangle are decided by the three throws of a single fair die, then the probability that the...
- If A and B are any two events such that P(A) = 25 and P(A B) = 3 20 , then the conditional probability, P (A ,| , (A' B' ) ),...
- An experiment succeeds twice as often as it fails. The probability of at least 5 successes in the six trials of this experiment is
- An unbiased coin is tossed eight times. The probability of obtaining at least one head and at least one tail is:
PreviousPage 35
Other chapters
Alcohols, Phenols and EthersAldehydes, Ketones and Carboxylic AcidsAlternating CurrentAminesAnatomy of Flowering PlantsAncient Indian HistoryAnimal KingdomApplication of DerivativesArea Under CurveAromatic Compounds and Aryl HalidesAtomsBasic Mathematics and LogarithmBinomial TheoremBiodiversity and ConservationBiological ClassificationBiomoleculesBiotechnology and Its ApplicationsBiotechnology: Principles and ProcessesBody Fluids and CirculationBreathing and Exchange of GasesCell Cycle and Cell DivisionCell: The Unit of LifeChemical Bonding and Molecular StructureChemical Coordination and Integration