The probability that a ship safely reaches a port is 1/3.The probability that out of 5 ships, at least 4 ships would arrive safely is [NDA II 2017]

UPSC NDA 2 2017 Mathematics Solved Paper

Question : 110 of 120

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The probability that a ship safely reaches a port is

.The probability that out of 5 ships, at least 4 ships would arrive safely is

[NDA II 2017]

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