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NCERT Solutions for Class 10 Maths
Chapter 15 Probability
NCERT Solutions for Class 10 Maths Chapter 15 Probability Excercise 15.1
Page No: 308
Question 1.
Complete the following statements:
(i) Probability of an event E + Probability of the event ‘not E’ = ___________ .
(ii) The probability of an event that cannot happen is __________. Such an event is called ________ .
(iii) The probability of an event that is certain to happen is _________ . Such an event is called _________ .
(iv) The sum of the probabilities of all the elementary events of an experiment is __________ .
(v) The probability of an event is greater than or equal to and less than or equal to __________ .
Answer:
(i) 1
(ii) 0, impossible event
(iii) 1, sure or certain event.
(iv) 1
(v) 0, 1
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