Mathematics, 08.12.2020 23:00 makayladurham19
Ling plotted a point and its opposite on a number line. Which two points could Ling have plotted?
A. 3/9 and β 1/9
B. 5/15 and β 1/3
C. 14/28 and β 7/2
Answers: 1
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Asimple random sample of size nequals14 is drawn from a population that is normally distributed. the sample mean is found to be x overbar equals 70 and the sample standard deviation is found to be sequals13. construct a 90% confidence interval about the population mean
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Aswimming pool has an input pump for filling the pool and an output pump for emptying the pool. the input pump can fill the pool in 3 hours, and the output pump can drain the pool in 5 hours. as you go to bed, the pool is full, but a neighborβs kid turns on the output pump. at midnight, you awake to find the pool half empty. immediately, you turn on the input pump, but you are sleepy and forget to turn off the output pump. at what time will the pool become full?
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Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?
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Ling plotted a point and its opposite on a number line. Which two points could Ling have plotted?
A...
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