Limit for population proportion of printers
A random sample of 70 printers discovered that 20 of them were being employed in small businesses. Determine the 99% limit for population proportion of printers which are employed in small businesses.
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They average forty five mph on local highways and fifty five mph on interstate highways. How many hours they spent driving on local highways?
Find out the minimum sample size vital to be at least 95% confident that the tensile strengths obtained in sample will cover 90% of tensile strengths produced in new manufacturing process.
Other end of zip line is attached to top of the 5 foot stake. Angle of elevation of platform is 23. How long is zip line.
A random sample of 100 voters found that 44% were going to vote for a certain candidate. Find out the 99% limit for the population proportion of voters who will vote for that candidate.
Determine the 99% limit for population proportion of printers which are employed in small businesses.
Third reduced to 2 less than half its value, resulting three numbers form the arithmetic sequence. Determine numbers for arithemetic and geometric sequences.
In a sample of 55 mice, a biologist found that 42% were able to run a maze in 30 seconds or less. Find the 90% limit for the population proportion of mice who can run a maze in 30 seconds or less.
A report states that 46% of home owners have a vegetable garden. How large a sample is needed to determine the true proportion of home owners who have vegetable gardens to in four percentage points with the 92% confidence?
Determine the 95% confidence interval for the variance of the heights of maple trees if a sample of 26 trees has a standard deviation of 10.2 feet.
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