RS Aggarwal Class 10 Solutions Probability
Question 1:
(i) The probability of an impossible event is 0
(ii) The probability of a sure event is 1
(iii) For any event E, P(E) + P(not E) = 1
(iv) The probability of a possible but not a sure event lies between 0 and 1
(v) The sum of probabilities of all the outcomes of an experiment is 1
Question 2:
When a coin is tossed, all possible outcomes are either H or T
Total number of possible outcomes = 2
The favorable outcome is T
Number of favorable outcomes = 1
∴ P(getting a T) = [latex]P(T)=\frac { Number\quad of\quad favorable\quad outcomes }{ Total\quad number\quad of\quad possible\quad outcomes } =\frac { 1 }{ 2 } [/latex]
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