The Turkish Airline HR manager is interviewing Aeronautical Engineers in order to fill some open positions. The probability of the interview having the necessary qualifications and accepting the offer is 0.6 a) Define the random variable (in words) and check whether it is a binomial random variable or not and write your conclusion. Explain your answer. b) If 15 candidates are available, what is the probability that only five of them are hired? c) What is the expected number of hired candidates? d) What is the variance of number of hired candidates?

College Algebra (MindTap Course List)
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ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
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The Turkish Airline HR manager is interviewing Aeronautical Engineers in order to fill
some open positions. The probability of the interview having the necessary qualifications
and accepting the offer is 0.6
a)
Define the random variable (in words) and check whether it is a binomial
random variable or not and write your conclusion. Explain your answer.
b)
If 15 candidates are available, what is the probability that only five of them
are hired?
c)
What is the expected number of hired candidates?
d)
What is the variance of number of hired candidates?
Transcribed Image Text:The Turkish Airline HR manager is interviewing Aeronautical Engineers in order to fill some open positions. The probability of the interview having the necessary qualifications and accepting the offer is 0.6 a) Define the random variable (in words) and check whether it is a binomial random variable or not and write your conclusion. Explain your answer. b) If 15 candidates are available, what is the probability that only five of them are hired? c) What is the expected number of hired candidates? d) What is the variance of number of hired candidates?
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