An individual is selected at random from a group of 60 men and women athletes (s

Question

An individual is selected at random from a group of 60 men and women athletes (swimmers and non-swimmers). Find the probability that the individual is: a) a swimmer b) a male c) a female d) a male swimmer e) a female swimmer f) a male or swimmer g) a female or non swimmer h) Given that she is a female, find the probability that she is a swimmer. i) Given that he is a male, find the probability that his is non swimmer. J) Given that the individual is a swimmer, find the probability that he is a male. Four hundred people attended a party arc given a number from 1 to 400. One number is called at random. Find the probability that the number called is a) 123 b) has the same three digits, c) ends in 44. A hat contains numbers from 1 to 40. If a number is selected at random, what is the probability that a) it is divisible by 3, b) divisible by 4, c) divisible by 3 or 4.

Explanation / Answer

a) =40/60 0.666667 b) =25/60 0.416667 c) =35/60 0.583333 d) =18/60 0.3 e) =22/60 0.366667 f) =(25+40-18)/60 0.783333 g) =(35+20-13)/60 0.7

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