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mynameisjeff1417
21.02.2020 •
Mathematics
Anthony Papantonis, owner of Nauset Construction, is bidding on two projects, A and B. The probability that he wins project A is 0.30 and the probability that he wins project B is 0.40. Winning Project A and winning Project B are independent events.
a.What is the probability that he wins project A or project B? (Round your answer to 2 decimal places.)
b.What is the probability that he does not win either project? (Round your answer to 2 decimal places.)
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Ответ:
(a) 0.55
(b) 0.45
Step-by-step explanation:
We are given that Anthony Papantonis, owner of Nauset Construction, is bidding on two projects, A and B.
Probability that he wins project A, P(A) = 0.30
Probability that he wins project B, P(B) = 0.40
Also, winning Project A and winning Project B are independent events which means that P(A
B) = P(A) * P(B)
(a) Probability that he wins project A or project B is given by P(A
B) ;
P(A
B) = P(A) + P(B) - P(A
B)
= 0.30 + 0.40 - P(A) * P(B)
= 0.70 - (0.30 * 0.40) = 0.70 - 0.12 = 0.55
(b) Probability that he does not win either project = 1 - Probability that he
wins at least one project
= 1 - P(A
B) = 1 - 0.55 = 0.45 .
Ответ:
I am on the same question with u with my hw
Step-by-step explanation:
I need to answer for points