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a man  appeared for a job interview in companies A,B,C,D . the probability  of getting job in A,B,C,D are 0.6,0.5,0.5 and 0.7 . the probability that the candidate will get the job is ?

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Given the probability  of getting job in A,B,C,D are 0.6,0.5,0.5 and 0.7

probability  of not getting job in A= 1 - 0.6 = 0.4

probability  of not getting job in B= 1 - 0.5 = 0.5

probability  of not getting job in C= 1 - 0.5 = 0.5

probability  of not getting job in D= 1 - 0.7 = 0.3

 probability that the candidate will get the no job= 0.4 * 0.5 * 0.5 * 0.3 = 0.03

 probability that the candidate will get the job = 1 -  probability that the candidate will get the no job

=( 1 - 0.03 ) = 0.97

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