Mathematics, 26.03.2020 04:32 sierramarco247
A simple random sample of 10 pages from a dictionary is obtained and the number of defined words on each page is recorded. The sample mean is found to be 53.5 definitions per page and a standard deviation of 15.7 definitions per page. To support a claim that there are more than 70,000 defined words is the same as the claim that the mean number of defined words on a page is greater than 48.0. Use a 0.05 significance level to test this claim.
Answers: 1
Mathematics, 21.06.2019 13:50
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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Mathematics, 21.06.2019 17:40
Which number produces a rationale number when multiplied by 1/5
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