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[" 18.The probability of a man hitting a target is "(1/4)" .If he fires "7" times,what is "],[" the probability of his hitting the target at least twice? "],[" In a hurdles race,a player has to cross "10" hurdles.The probability that he "],[" will clear each hurdle is "(5/6)." What is the probability that he will knock "],[" down fewer than "2" hurdles? "]

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In a hurdle race, a player has to cross 10 hurdles. The probability that he will clear each hurdle is (5)/(6) . What is the probability that he will knock down fewer than 2 hurdles?

In a hurdle race, a player has to cross 10 hurdles. The probability that he will clear each hurdle is (5)/(6) . What is the probability that he will knock down fewer than 2 hurdles?

In a hurdle race, a player has to cross 10 hurdles. The probability that he will clear each hurdle is (5)/(6) . What is the probability that he will knock down fewer than 2 hurdles?

In a hurdle race, a player has to cross 10 hurdles. The probability that he will clear each hurdle is (5)/(6) . What is the probability that he will knock down fewer than 2 hurdles?

The probability of a man hitting a target is 1/4 . If he fires seven times, what is the probability of his hitting the target atleast twice?

In a hurdle race,a player has to cross 10 hurdles.The probability that he will clear each hurdle is hurdle is (5)/(6) What is the probability that he will knock down fewer than 2hurdles?

In a hurdle race, a player has to cross 10 hurdles. The probability that he will clear each hurdle is 5/6 . What is the probability that he will knock down fewer than 2 hurdles?

In a hurdle race, a player has to cross 10 hurdles. The probability that he will clear each hurdle is 5/6 . What is the probability that he will knock down fewer than 2 hurdles?