Use the given information to find the minimum sample size required to estimate an unknown population...
QUESTION 6 Use the given information to find the minimum sample size required to estimate an unknown population mean μ. How many women must be randomly selected to estimate the mean weight of women in one age group. We want 90% confidence that the sample mean is within 3.4 lb of the population mean, and the population standard deviation is known to be 25 lb 208 148 145 147
Use the given information to find the minimum sample size required to estimate an unknown population mean μ. How many business students must be randomly selected to estimate the mean monthly earnings of business students at one college? We want 95% confidence that the sample mean is within $131 of the population mean, and the population standard deviation is known to be $529.
Use the given information to find the minimum sample size required to estimate an unknown population mean mu. How many business students must be randomly selected to estimate the mean monthly earnings of business students at one college? We want 95% confidence that the sample mean is within $ 129 of the population mean, and the population standard deviation known to be $595.
Finding Sample Size. In Exercises 13-16, use the given information to find the minimum sample size required to estimate an unknown population mean u. 13. Credit Rating How many adults must be randomly selected to estimate the mean FICO (credit rating) score of working adults in the United States? We want 95% confidence that the sample mean is within 3 points of the population mean, and the population standard devia- tion is 68.
6) How many women must be randomly selected to estimate the mean weight of women in one age group. We want 90% confidence that the sample mean is within 3.4 lb of the population mean, and the population standard deviation is known to be 25 lb.
Use the given information to find the minimum sample size required to estimate an unknown population mean u. Margin of error: $130, confidence level: 95%, 0 = $560 50 63 072 101
How many women must be randomly selected to estimate the mean weight of women in one age group. We want 90% confidence that the sample mean is within 2.31b of the population mean, and the population standard deviation is known to be 14 lb. 143 126 101 202
2 1 pts Question 6 6) How many women must be randomly selected to estimate the mean weight of women in one age group. We want 90% confidence that the sample mean is within 3.4 lb of the population mean, and the population standard deviation is known to be 25 lb. O 146 O 148 208 O 147 Question 7 1 pts ZIA group of 39 randomly selected students have a meanscore of 19.5 with a JUL 3 31 19...
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...
Use the given information to find the minimum sample size required to estimate an unknown population mean . Margin of error: $121, confidence level: 99%, o = $525 O A. 125 OB. 51 O c. 72 OD. 64