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elena-14-01-66 [18.8K]
3 years ago
12

Anita and Amy appeared for the same interview. Depending on their qualifications, the probability that Anita will be selected is

5/7 and the probability that Amy will be selected is 2/5 .
What is The probability that neither of them is selected is :
And The probability that at least one of them is selected is:
Mathematics
1 answer:
julia-pushkina [17]3 years ago
5 0
P(Anita not selected) = 2/7  and P(Amy not selected) = 3/5)

P(neither selected) = 2/7 * 3/5 = 6/35

P at least one is selected  =  (5/7 * 2/5) + (5/7 * 3/5) + 2/7*2/5)
                                         =   10/35 + 15/35 + 4/35 =  29/35

Oh it would have been easier to  use  1 - (neither selected ) = 1 - 6/35
 = 29/35
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