Draw a random sample from population
Suppose a population proportion is .40, and 80% of the time when you draw a random sample from this population you get a sample proportion of .35 or more. How large a sample were you taking?
Round your answer to the nearest integer.
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Calculate and interpret a confidence interval at the 99% confidence level for the proportion of all adult americans who have watched streamed programming.
What is the difference between the pressure inside a soap bubble and atmospheric pressure for a 3-in-diameter bubble?
Diamond Enterprises is considering a project that will produce cash inflows of 238,000 a year for three years followed by 149,000 in year four. What is the internal rate of return if the initial cost of the project is $749,000?
A cork floats on the water as a water wave passes by. What happens to the cork? Will the cork's vibrational frequency be related to the water wave's frequency, and if so, how?
Sketch the processes on a T-v diagram relative to the saturation lines and determine the final pressure, the total volume change, and the total internal energy change of the water during these processes.
Two narrow slits 50 microns apart are illuminated with light of wavelength 500nm. What is the angle of the m = 2 bright fringe in degrees? What is the highest possible value of the order number m here? Explain?
Given a 90% confidence interval for mu1-mu2 as (-5,5). What can be concluded?
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