A personnel director Intervlewing 10 senlor engineers for four job openings has

Question

A personnel director Intervlewing 10 senlor engineers for four job openings has scheduled seven Intervlews for the first day and three for the second day of Intervlewing. Assume that the candidates are interviewed in a random order (a) What is the probability that x of the top four candidates are interviewed on the first day? O hx;7,4,10) O h(x; 3, 10, 4) h(N: 3, 4, 10 h(N; 7, 10, ) (b) How many of the top four candidates can be expected to be interviewed on the first day? (Round your answer to two decimal places.]) candidates

Explanation / Answer

a) here from hypergeometric distribution

h(x; 7,4,10)

b)

expected number of top 4 students to be interviewed =4*7/10=2.8

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