Mathematics, 12.03.2020 05:57 tony7135
The life of light bulbs is distributed normally. The variance of the lifetime is 400 and the mean lifetime of a bulb is 540 hours. Find the probability of a bulb lasting for at most 560 hours. Round your answer to four decimal places.
Answers: 2
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Triangle abc is reflected over the line y=x triangle abc has points (-6,-,-1) and (-5,-6) what is the c coordinate
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Acommunity group sells 2,000 tickets for its raffle. the grand prize is a car. neil and 9 of his friends buy 10 tickets each. when the winning ticket number is announced, it is found to belong to neil's group. given this information, what is the probability that the ticket belongs to neil? a.1/5 b.1/10 c.1/200 d.1/4
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If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?
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Aflower has 26 chromosomes. to create a new flower, how many chromosomes would a sperm cell have? what is this process called? part 2: within a flower cell that has 26 chromosomes, how many chromosomes would a cell that is created within the stem of a flower as it grows, have? what is this process called?
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The life of light bulbs is distributed normally. The variance of the lifetime is 400 and the mean li...
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