Mathematics, 23.11.2019 00:31 ashiteru123
If the probability that a fluorescent light has a useful life of at least 500 hours is 0.8, find the probability that among 20 such lights
a) exactly 18 will have a useful life of at least 500 hours
b) at least 15 will have a useful life of at least 500 hours
Answers: 1
Mathematics, 21.06.2019 21:10
The vertices of a triangle are a(7.5), b(4,2), and c19. 2). what is
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Mathematics, 21.06.2019 21:50
Free points also plz look my profile and answer really stuff
Answers: 2
If the probability that a fluorescent light has a useful life of at least 500 hours is 0.8, find the...
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