Mathematics, 08.08.2019 19:20 tae8002001
To test upper h 0 : sigma equals 60 versus upper h 1 : sigma less than 60, a random sample of size n equals 25 is obtained from a population that is known to be normally distributed. (a) if the sample standard deviation is determined to be s equals 51.6, compute the test statistic. (b) if the researcher decides to test this hypothesis at the alpha equals 0.01 level of significance, use technology to determine the p-value. (c) will the researcher reject the null hypothesis?
Answers: 3
Mathematics, 21.06.2019 13:40
Imagine a new pasture with grass growing on it. every day after the seeds have germinated, the number of blades of grass in the pasture triples. after 18 days, the entire pasture is completely covered in grass. how many days did it take for the pasture to be one-third covered in grass?
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Aquantity with an initial value of 3900 decays exponentially at a rate of 35% every hour. what is the value of the quantity after 0.5 days, to the nearest hundredth?
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To test upper h 0 : sigma equals 60 versus upper h 1 : sigma less than 60, a random sample of size...
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