Determine the minimum sample size required when you want to be 90% confident that the sample...
Determine the minimum sample size required when you want to be 90% confident that the sample mean is within one unit of the population mean and sigma=19.3. Assume the population is normally distributed. A 90 % confidence level requires a sample size of nothing. (Round up to the nearest whole number as needed.)
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Determine the minimum sample size required when you want to be 90% confident that the sample...
Determine the minimum sample size required when you want to be 90% confident that the sample...
Determine the minimum sample size required when you want to be 90% confident that the sample mean is within one unit of the population mean and sigma=19.8. Assume the population is normally distributed. A 90 % confidence level requires a sample size of?
ats 6.1.47 Question Help k Determine the minimum sample size required when you want to be...
ats 6.1.47 Question Help k Determine the minimum sample size required when you want to be 95% confident that the sample mean is within one unit of the population mean and a = 12.9. Assume the population is normally distributed A 95% confidence level requires a sample size of I (Round up to the nearest whole number as needed.) th Contents
Determine the minimum sample size required when you want to be 99% confident that the sample...
Determine the minimum sample size required when you want to be 99% confident that the sample mean is within one unit of the population mean and sigma equals 16.3. Assume the population is normally distributed.
Determine the minimum sample size required when you want to be 95% confident that the sample...
Determine the minimum sample size required when you want to be 95% confident that the sample mean is within one unit of the population mean and standard deviation is 15.9. Assume the population is normally distributed.
Q1. Determine the minimum sample size required when you want to be 95% confident that the...
Q1. Determine the minimum sample size required when you want to be 95% confident that the sample mean is within 1.3 unites of the population mean. Assume that the population is normally distributed with standard deviation σ = 5.1. a. The critical value: b. The margin of error: c. The sample size:
6. (8 points) Find the minimum sample size needed if we wish to be 90% confident...
6. (8 points) Find the minimum sample size needed if we wish to be 90% confident and error to be within 2.5 when estimating population mean. Assume that popu- lation standard deviation is 15. Drawing required.
A) If you want to be 95% confident of estimating the population mean to within a...
A) If you want to be 95% confident of estimating the population mean to within a sampling error of plus or minus 2 and the standard deviation is assumed to be 16, what sample size is required? The sample size required is _____ (Round up to the nearest integer.) B) If you want to be 95% confident of estimating the population proportion to within a sampling error of plus or minus 0.06, what sample size is needed? A sample size...
12. Use the given data to find the minimum sample size required to estimate a population...
12. Use the given data to find the minimum sample size required to estimate a population proportion or percentage. Margin of error: 0.04; confidence level 90%; p^ and q^ unknown n=____ (Round up to the nearest integer.) 13. Many states are carefully considering steps that would help them collect sales taxes on items purchased through the Internet. How many randomly selected sales transactions must be surveyed to determine the percentage that transpired over theInternet? Assume that we want to be...
Determine the minimum sample size n needed to estimate μ given that the confidence level is 90%, the population standard deviation is 6.8, and the margin of error is 1.
Determine the minimum sample size n needed to estimate μ given that the confidence level is 90%, the population standard deviation is 6.8, and the margin of error is 1. Show complete solutions. Round up your answer to the nearest whole number.
7.2.35-T The pulse rates of 179 randomly selected adult males vary from a low of 43 bpm to a high of 111 bpm. Find the m...
7.2.35-T The pulse rates of 179 randomly selected adult males vary from a low of 43 bpm to a high of 111 bpm. Find the minimum sample size required to estimate the mean pulse rate of adult males. Assume that we want 98% confidence that the sample mean is within 2 bpm of the population mean. Complete parts (a) through (c) below. a. Find the sample size using the range rule of thumb to estimate sigma. nequals nothing (Round up...
ats 6.1.47 Question Help k Determine the minimum sample size required when you want to be 95% confident that the sample mean is within one unit of the population mean and a = 12.9. Assume the population is normally distributed A 95% confidence level requires a sample size of I (Round up to the nearest whole number as needed.) th Contents
6. (8 points) Find the minimum sample size needed if we wish to be 90% confident and error to be within 2.5 when estimating population mean. Assume that popu- lation standard deviation is 15. Drawing required.
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