In: Statistics and Probability
100 80 55 105 60 85 30 23 100 110 105 95 105 60 110 120 95 90 60 70
mean = 82.9
(b) Using the given data as representative of the population of prices of all summer sleeping bags, find a 90% confidence interval for the mean price μ of all summer sleeping bags. (Round your answers to two decimal places.)
lower limit | $ |
upper limit |
$ |
65 | 100 | 134 | 126 | 60 | 64 |
mean = 91.5
(b) Find a 75% confidence interval for the population average weight μ of all adult mountain lions in the specified region. (Round your answers to one decimal place.)
lower limit | lb |
upper limit | lb |
9.5 | 9.4 | 10.7 | 8.5 | 9.4 | 9.8 | 10.0 | 9.9 | 11.2 |
12.1 |
mean = 10.05
(b) Find a 99.9% confidence interval for the population mean of total calcium in this patient's blood. (Round your answer to two decimal places.)
lower limit | mg/dl |
upper limit | mg/dl |