engineering recuitment AAI JE Technical Mock Test 2020-21 Engineering Mathematics Probability and Statistics Types of Probability
A purse contains 4 copper coins and 3 silver coins. A second purse contains 6 copper coins and 4 silver coins. A purse is chosen randomly and a coin is taken out of it. What is the probability that it is a copper coin?
1
70/82
2
35/70
3
41/82
4
41/70