Answer to Question #262961 in Statistics and Probability for Aareon Huggins

Question #262961

Saharra has 7 keys, 2 for the house and 1 for a locker. Whats the probability of not picking house or locker keys?

Expert's answer

"P=\\frac{7-2-1}{7}=\\frac{4}{7}\\approx 0.5714."

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