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Answer on Statistics and Probability Question for Ke_091

Question #11256
Interviews are being conducted for two posts at same level in a company. There are 3 female and 5 male candidates. In how many ways can the candidates be selected such that

(i) Both posts are filled by males

(ii) Both posts are filled by females

(iii) One male and one female get selected?
Expert's answer
i) We select only males: 5!/(2!3!)=10

ii) Now, we select only females: 3!/(2!1!)=3

iii) Now we pick one male (5 ways) and one female (3 ways), so the answer: 5*3=15

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