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Construct the indicated confidence interval for the population mean using (a) a t-distribution. (b) If you had incorrectly used a normal distribution, which interval would be wider?
c=0.99, x=14.8, s=4.0, n=5
(a) The 99% confidence interval using a t-distribution is ( ), ( ). Round to one decimal place as needed
(b) If you had incorrectly used a normal distribution, which interval would be wider?
Find a 99% confidence interval for the population mean number of weekly miles.
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Assume that the cost for this type of hospital emergency room visit is normally distributed with a standard deviation of $92. Assume that the following questions about the cost of a hospital emergency room visit for this medical service.
Solve the equations using linear algebra
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