Mathematics, 11.10.2020 21:01, fnaflover8505

Help on math angle question. ik its easy but I have no idea how math works :D

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Mathematics, 21.06.2019 22:00, taliyahjhonson1

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Mathematics, 21.06.2019 22:00, YoungTadoe437

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Mathematics, 22.06.2019 03:50, dekarouh

The weekly amount spent by a company for travel has an approximately normal distribution with mean = $550 and standard deviation = $40. a) what is the probability that the actual weekly expense will exceed $570 for more than 20 weeks during the next year? (note: one year = 52 weeks) b) what is the probability that actual weekly expenses exceed $580 for 10 or more, but 16 or fewer weeks during the next year?

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Help on math angle question. ik its easy but I have no idea how math works :D
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