Mathematics, 13.04.2021 22:00, hananbarakat
The life of light bulbs is distributed normally. The variance of the lifetime is 625 and the mean lifetime of a bulb is 530 hours. Find the probability of a bulb lasting for at most 564 hours. Round your answer to four decimal places.
Answers: 3
Mathematics, 21.06.2019 19:50, itsmariahu1927
Which statement is true? n is a point of tangency on circle p. pt is a secant of circle p. is a secant of circle p. vu is a tangent of circle p.
Answers: 3
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