Confidence interval for population proportion
A sample of 2000 union members was selected and there opinions about a proposed management union contract was were recorded. 1600 members were in favor of it. A 95% confidence interval for population proportion was computed to be _______?
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I was one-tenth of the mile from intersection, while she was seven-twentieths of the mile from it. How fast were we heading toeard each other at that instant?
A population proportion is .40. A simple random sample of the size 200 will be taken as well as the sample proportion > will be used to determine the population proportion.
The baseball diamond is the square with side 90 ft. Player is running from third base to home at 22 ft/s. How fast is the distance from second base increasing if she is 75 feet from third base?
The population proportion is .30. Determine the probability that a sample proportion will be within .04 of the population proportion for each of the following sample sizes?
Estimate the percentage of variation in observed values of the response variable stated by the regression.
If fan makes less than one full rotation, find distance bug has traveled along its arc from 3 o'clock position when its final position is 1.5 ft below horizontal diameter of fan for second time.
Determine the probability that the average age of these 40 airplanes is at least 14 years old? Round your answer to 4 decimal places. Remember to round your z-value to two decimal places.
Suppose that the average full time college student in the U.S. needs a total of $10,500 per year to cover the costs of tuition, books and fees with the standard deviation of $1,300. If 50 full time students are randomly sampled in the U.S., determ
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