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A sample proportion is calculated from a sample size of 201. How large of a sample would we need to decrease the standard error by a factor of 7?
Show how to get the answer using a Ti-84 calculator please, step by step.
it is your birthday and you are waiting for someone to write you a birthday message on facebook. on average on your
Why does the sample size play such an important role in reducing the standard error of the mean? What are the implications of increasing the sample size?
If the manufacturer guarantees the terminals for 3 years (and will replace them if they malfunction), what percentage of terminals will be replaced?
company w is testing a sales software. their sales force of 500 people is divided into four regions northeast southeast
you are interested to know if your shop in the suburbs has customers of the same age as your shop in the center of the
North Carolina State University looked at the factors that affect the success of students in a required chemical engineering course. Students must get a C or better in the course in order to continue as chemical engineering majors, so a "success" ..
What is the 95% Confidence Interval for the true population slope between Wins and Saves and what is the standard error of the estimate and what are its units?
A report states that 40% of home owners had a vegetable garden. How large a sample is needed to estimate the true proportion of home owners who have vegetable gardens to within 4% with 95% confidence?
the grains composing polycrystalline metals tend to have weights that follow a log-normal distribution. for a type of
how do you know when to use the minimization and maximization lp
The critical values are values of the test statistics that separate the rejection region from the non rejection region. Is this true? Explain answer.
Determine if the sample result indicates that the population variance is decreased from historical value of 0.35. At alpha = 1%, give values for test and critical statistics.
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