Mathematics, 14.10.2021 14:40 LunaShiner
According to a study done by a university student, the probability a randomly selected individual will not cover his or her mouth when sneezing is 0.267 . Suppose you sit on a bench in a mall and observe people's habits as they sneeze.
(a) What is the probability that among 12 randomly observed individuals exactly 6 do not cover their mouth when sneezing?
(b) What is the probability that among 12 randomly observed individuals fewer than 4 do not cover their mouth when sneezing?
(c) Would you be surprised if, after observing 12 individuals, fewer than half covered their mouth when sneezing? Why?
(a) The probability that exactly 6 individuals do not cover their mouth is
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(Round to four decimal places as needed.)
(b) The probability that fewer than 4 individuals do not cover their mouth is
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(Round to four decimal places as needed.)
(c) Fewer than half of 12 indiv
Answers: 3
Mathematics, 21.06.2019 16:30
896.31 cm= km 100cm = 1m 1000m = 1km a) 0.0089631 b) 0.0089631 c) 8.9631 d) 89.631
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Mathematics, 21.06.2019 23:00
36x2 + 49y2 = 1,764 the foci are located at: (-√13, 0) and (√13,0) (0, -√13) and (0,√13) (-1, 0) and (1, 0)edit: the answer is (- the square root of 13, 0) and (the square root of 13, 0)
Answers: 1
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