Probability Ex 15.1 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 ……….. Solution: Question 2. Which of the following experiments have equally likely outcomes? Explain. (i) A driver attempts to start a car. The car starts or does not start. (ii) A player attempts to shoot a basketball. She/he shoots or misses the shot. (iii) A trial is made to answer a true-false question. The answer is right or wrong. (iv) A baby is born. It is a boy or a girl. Solution: Question 3. Why is tossing a coin considered to be a fair way of deciding which team should get th