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1. |
A box has 4 white and 3 red balls. Two balls are taken out in succession. What is the probability that both are white? |
A. | <img src="/_files/images/electronics-and-communication-engineering/signals-and-systems/16-227-1.png"> |
B. | <img src="/_files/images/electronics-and-communication-engineering/signals-and-systems/16-227-2.png"> |
C. | <img src="/_files/images/electronics-and-communication-engineering/signals-and-systems/16-227-3.png"> |
D. | <img src="/_files/images/electronics-and-communication-engineering/signals-and-systems/16-227-4.png"> |
Answer» D. <img src="/_files/images/electronics-and-communication-engineering/signals-and-systems/16-227-4.png"> | |