In a quiz, the probability that student Arun answers question 1 correctly is and the…
MATHEMATICS · Single correct · A Level · Mathematics · Probability · Probability
Problem
In a quiz, the probability that student Arun answers question 1 correctly is 0.3 and the probability that he answers question 2 correctly is 0.4. Assuming his answers to the two questions are independent, find the probability that he answers at least one of the two questions correctly.
(a) 0.12
(b) 0.58
(c) 0.70
(d) 0.42