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The mean lifespan of a light bulb manufactured by a company is 400 days with a s...
Mathematics, 14.04.2020 19:39 liapis2002
PLEASE ANSWER
The mean lifespan of a light bulb manufactured by a company is 400 days with a standard deviation of 65 days. Assuming that bulb lifespan is a normally distributed random variable, what is the probability that a light bulb manufactured by this company will last at most 270 days?
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The triangles in the diagram are congruent. if mzf = 40°, mza = 80°, and mzg = 60°, what is mzb?
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Suppose a store sells an average of 80 cases of soda per day. assume that each case contains 24 cans of soda and that the store is open 10 hours per day. find the average number of soda that the store sells per hour.
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Mathematics, 21.06.2019 22:00
You're locked out of your house. the only open window is on the second floor, 25 feet above the ground. there are bushes along the edge of the house, so you will need to place the ladder 10 feet from the house. what length ladder do you need to reach the window?
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