Mathematics, 24.01.2020 21:31 scoonz1
An oil exploration company currently has two active projects, one in asia and the other in europe. let a be the event that the asian project is successful and b be the event that the european project is successful. suppose that a and b are independent events with p(a) = 0.2 and p(b) = 0.5.
(a) if the asian project is not successful, what is the probability that the european project is also not successful?
explain your reasoning.
a. since the events are independent, then a' and b' are independent, too.
b. since the events are independent, then a' and b' are mutually exclusive.
c. since the events are not independent, then a' and b' are mutually exclusive.
d. since the events are independent, then a' and b' are not independent.
(b) what is the probability that at least one of the two projects will be successful?
(c) given that at least one of the two projects is successful, what is the probability that only the asian project is successful?
Answers: 3
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Mathematics, 21.06.2019 18:00, cexe2630
The administrator of a large assisted living facility wanted to know the average age of the residents living at the facility. he randomly selected 12 residents and determined their age, listed here: 80, 65, 75, 83, 68, 73, 88, 79, 94, 72, 79, 68 what's the average age of the sample of residents? a. 79 years old b. 68 years old c. 75 years old d. 77 years old
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