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Probability: Lecture 9

Complement set || De morgan's law || n(AUB) =n(A)+ n(B)-n(A v B) || Revision OF 9th class Probability || Empirical Probability || Theoretical/Classical probability || Examples

Class 12 Maths Most Important MCQs | Probability | CBSE Board 2020

A pair of students is selected at random from a probability class.The probability that the pair selected will const of one male and one female student is (10)/(19) .Find the maximum number of students the class can contain.

In a class two third students are boys and remaining are girls. The probability of getting first class by a boy is 0.30 and the probability of getting first class by a girl is 0.24. The probability of getting first class by a randomly selected student is:

The probability that a student passes in Mathematics is and the probability that hepasses in English is (2)/(3) .and the probability that he hepasses in English is (4)/(9). The probability that he passes in any one of the courses is (4)/(5) .The probability that he passes in both is

A card is selected from a pack of 52 cards.(a) How many points are there in the sample space? (b) Calculate the probability that the card is an ace of spades.(c) Calculate the probability' that the card is ( i) an ace (ii) black card.

A card is selected from a pack of 52 cards. (a) How many points are there in the sample space? (b) Calculate the probability that the card is an ace of spades. (c) Calculate the probability that the card is (i) an ace (ii) black card.