Mathematics, 27.08.2019 16:20 brain9787
Suppose that the number of people employed by an individual business is normally distributed with an unknown mean and standard deviation. a random sample of 17 businesses is taken and gives a sample mean of 15 employees and a sample standard deviation of 2 employees. df to.10 to.025 to. o1 to. o05 to.05 1.341 1.753 2.131 2.602 2.947 15 1.337 1.746 2.120 2.583 2.921 16 17 1.333 1.740 2.110 2.567 2.898 1.330 1.734 2.101 2.552 2.878 18 19 1.328 1.729 2.093 2.539 2.861 find the margin of error, for a 95% confidence interval estimate for the population mean using the student's t-distribution. use the portion of the table above. round the final answer to two decimal places.
Answers: 1
is the sample's mean,
is t-score with n-1 degrees of freedom,
is the standard error,
is the sample's size.
(found in the table which i've attached)
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Suppose that the number of people employed by an individual business is normally distributed with an...
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