gonzalezashley152
28.09.2019 •
Mathematics
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:
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Ответ:
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
Ответ:
i am brainiest
Step-by-step explanation:
pls