Mathematics, 25.11.2019 21:31, jessicamartine994
The pcb concentration of a fish caught in lake michigan was measured by a technique that is known to result in an error of measurement that is normally distributed with a standard deviation of .08 ppm (parts per million). suppose the results of 10 independent measurements of this fish are 11.2, 12.4, 10.8, 11.6, 12.5, 10.1, 11.0, 12.2, 12.4, 10.6(a) give a 95 percent confidence interval for the pcb level of this fish.(b) give a 95 percent lower confidence interval.(c) give a 95 percent upper confidence interval.
Answers: 1
Mathematics, 21.06.2019 16:50, Kianna000
Suppose that the price p (in dollars) and the weekly sales x (in thousands of units) of a certain commodity satisfy the demand equation 4p cubedplusx squaredequals38 comma 400. determine the rate at which sales are changing at a time when xequals80, pequals20, and the price is falling at the rate of $.20 per week.
Answers: 3
Mathematics, 21.06.2019 17:00, chrisraptorofficial
Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?
Answers: 1
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