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find the qppropriate minimum sample size. you want to be 95%
Please who can get me a fast answer to any of these 16. Solve the problem. The following confidence interval is obtained for a population proportion, p: (0.707, 0.745). Use these confidence interval l… read more
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1.) A sample of 10 observations is selected from a normal populat
1.) A sample of 10 observations is selected from a normal population for which the population standard is 5. The sample mean is 20. a.) determine the standard error of the mean. b.) explain why formul… read more
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1. A machine produces 5-inch nails. A sample of 12 nails was
1. A machine produces 5-inch nails. A sample of 12 nails was selected and their lengths determined. The results are as follows: 4.91 4.97 4.80 4.81 4.93 4.82 4.84 4.81 4.97 4.95 4.82 4.86 Assuming tha… read more
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A sample of size n 20 is selected from a normal population
A sample of size n = 20 is selected from a normal population to construct a 95% confidence interval estimate for a population mean. The interval was computed to be (9.50 to 13.10). Determine the sampl… read more
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a sample size is n 20 is selected from a normal popuoation
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1. A machine produces 5-inch nails. A sample of 12 nails was
1. A machine produces 5-inch nails. A sample of 12 nails was selected and their lengths determined. The results are as follows: 4.96 4.97 4.87 4.81 4.84 4.89 4.96 4.84 4.86 4.83 4.83 4.91 Assuming tha… read more
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1. A machine produces 9 inch latex gloves. A sample of 68 gloves
1. A machine produces 9 inch latex gloves. A sample of 68 gloves is selected, and it is found that 42 are shorter than they should be. Find the 98% confidence interval on the proportion of all such gl… read more
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Question for Angel Mathew 1.A machine produces 5-inch nails.
Question for Angel Mathew 1.A machine produces 5-inch nails. A sample of 12 nails was selected and their lengths determined. The results are as follows: 4.94 4.94 5.07 4.91 4.98 5.00 4.94 5.09 5.00 4.… read more
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a sample of size n 20 is selected from a normal population
a sample of size n=20 is selected from a normal population to construct @ 95% confidence interval estimate for a population mean. The interval was computed to be 4.30 to 5.20. Determine the sample dev… read more
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1. A machine produces 5-inch nails. A sample of 12 nails was
1. A machine produces 5-inch nails. A sample of 12 nails was selected and their lengths determined. The results are as follows: 4.91 4.97 4.80 4.81 4.93 4.82 4.84 4.81 4.97 4.95 4.82 4.86 Assuming tha… read more
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A sample of size n 20 is selected from a normal population
A sample of size n = 20 is selected from a normal population to construct a 90% confidence interval estimate for a population mean. The interval was computed to be (7.60 to 10.70). Determine the sampl… read more
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Wondering if you could help with these questions. Please show
Wondering if you could help with these questions. Please show work since I'm stuck on some steps. You are constructing a 95% confidence interval using the information: n = 50, = 54.3, s = 2.1 and E = … read more
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Confidence Intervals for the Mean (Large Samples) 1. Find
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1.In a random sample of 25 people, the mean number of books
1.In a random sample of 25 people, the mean number of books they had read in the past year was 13.69 books and the standard deviation was 16.60 books. Assume the variable is normally distributed and u… read more
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A sample of size n 20 is selected from a normal population
A sample of size n = 20 is selected from a normal population to construct a 95% confidence interval estimate for a population mean. The interval was computed to be (8.20 to 9.80). Determine the sample… read more
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Hi please help me with these questions. Thank you. Section
Hi please help me with these questions. Thank you. Section 6.1: Confidence Intervals for the Mean (Large Samples) 1.Find the critical value zc necessary to form a confidence interval at the given leve… read more
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1.You are given the sample mean and the standard deviation.
***Statistics**Need the answers by 8pmEST 5/27/09******** 1.You are given the sample mean and the standard deviation. use this information to construct the 90% and 95% confidence intervals for the pop… read more
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. A sample of size n 14 is selected from a normal ...
. A sample of size n = 14 is selected from a normal population to construct a 95% confidence interval estimate for a population mean. The interval was computed to be (7.82 to 9.64). Determine the samp… read more
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