Important definitions and formulas - Probability Class 10 Notes | EduRev

Mathematics (Maths) Class 10

Class 10 : Important definitions and formulas - Probability Class 10 Notes | EduRev

The document Important definitions and formulas - Probability Class 10 Notes | EduRev is a part of the Class 10 Course Mathematics (Maths) Class 10.
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⇒ Probability:Important definitions and formulas - Probability Class 10 Notes | EduRev
q(not happening) = 1 - p
⇒ Sample space when:
(i) A coin is tossed, S = {H, T}
(ii) When two coins are tossed simultaneously = {HH, HT, TH, TT}
(iii) When three coins are tossed simultaneously
= {HHH, HHT, HTH, HTT, THH, THT, TTH, TTT}
⇒ Sample space of throwing a die: 
(i) When a die is thrown once = {1, 2, 3, 4, 5, 6}
(ii) When two dice are thrown simultaneously
⇒ {(1,1), (1,2), (1,3), ...., (1,6)
(2,1), (2,2), (2,3), ...., (2,6)
(3,1), (3,2), (3,3), ...., (3,6)
(4,1), (4,2), (4,3), ...., (4,6)
(5,1), (5,2), (5,3), ...., (5,6)
(6,1), (6,2), (6,3), ...., (6,6)}
⇒ Geometric Probability: 
If the total number of outcomes of a trial in a random experiment is infinite, then the definition of probability is not sufficient to find the probability of an event, in such cases, the definition of probability is modified and probability so obtained is called geometric probability. The geometric probability p of an event is given by:
Important definitions and formulas - Probability Class 10 Notes | EduRev
Note : Measure means Length, Area or Volume of the region etc.
⇒ Playing cards consists of 52 cards which are divided into four suits of 13 cards each. Each suit consists of one king, one queen, one jack, one ace and nine other cards numbered from 2 to 10. The four suits are named as spade Important definitions and formulas - Probability Class 10 Notes | EduRevclub, Important definitions and formulas - Probability Class 10 Notes | EduRev heart Important definitions and formulas - Probability Class 10 Notes | EduRev and diamond (♦).

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