For an event E, P(E) + P(Ē)= x, then the value of x³– 3 is CBSE Maths Exam 2021-22 Term 1, question: For an event E, P(E) + P(Ē)= x, then the value of x³– 3 is By Chirag Gaur - December 4, 2021 Class 10 Maths Term 1 Exam, options for the question – For an event E, P(E) + P(Ē)= x, then the value of x³– 3 is a) -2 b) 2 c) 1 d) -1 The correct answer is: -2