Mathematics, 14.01.2020 23:31 jakobquittner
Asimple random sample of size n is drawn from a population that is normally distributed. the sample mean, x overbar, is found to be 109, and the sample standard deviation, s, is found to be 10. (a) construct a 96% confidence interval about mu if the sample size, n, is 29. (b) construct a 96% confidence interval about mu if the sample size, n, is 25. (c) construct a 90% confidence interval about mu if the sample size, n, is 29. (d) could we have computed the confidence intervals in parts () if the population had not been normally distributed? click the icon to view the table of areas under the t-distribution.
Answers: 2
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Mathematics, 22.06.2019 05:50
Use the real number line shown below to complete the statement
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Asimple random sample of size n is drawn from a population that is normally distributed. the sample...
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