Question

The probability that a student will succeed in cat examination is 0.2 and that he will succeed in the mat examination is 0.5. if the probability that he will be successful in both the examinations is 0.3 then what would be the probability that he does not succeed in both the examinations

Answer 1

the probability of not succeed in both the examinations 0.4

Answer 2

the probability of not succeed in both the examinations 0.4