Margin of error
Assume that the population standard deviation is 2 The margin of error for a 98% confidence interval is desired to be =/- 0.5inches.
What should be the sample size?
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Assume that the population standard deviation is 2 The margin of error for a 98% confidence interval is desired to be =/- 0.5inches. What should be the sample size?
Researchers are studying yield of a crop in ten locations. The researchers are going to compute independent 90% confidence intervals for the mean yield at each location.
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a) what is the velocity at the bottom of the pipe b) what is the velocity at the top of the pipe? c) if the pressure at the bottom is 30,000 psi, what is the pressure at the top?
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