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Construct the confidence interval for the population mean μ.
Construct the confidence interval for the population mean μ.c=0.90​, x=8.2​, σ=0.8​, and n=41… read more
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Assume that a sample is used to estimate a population
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. Assume that the weight loss for the first month of a diet
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I have 3 statistics questions I need answers too within the
I have 3 statistics questions I need answers too within the next half hour. 1. Interpret a 99% confidence interval of (5.355, 5.445) for a population mean. 2. A school wants to estimate the true mean … read more
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1. )In a normal distribution with mu 25 and sigma 9, what
1. )In a normal distribution with mu = 25 and sigma = 9, what number corresponds to z = -2 2.) Let's assume you have taken 100 samples of size 64 each from a normally distributed population. Calculate… read more
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1. Given the following problem, (a.) set up a probability distribution
1. Given the following problem, (a.) set up a probability distribution table & (b.) find the mean and standard deviation to two decimals. The random variable x represents the number of foul shots a pl… read more
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The expected value of an unbiased estimator is equal to the
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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. Use the given data to find the minimum sample size required
1. Use the given data to find the minimum sample size required to estimate a population proportion or percentage. Margin of error: Four percentage points; confidence level 90%; from a prior study, p(w… read more
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Statistics Class Quiz I need these answers in an hour! 1.
Statistics Class Quiz I need these answers in an hour! 1. (TCO 6) In the standard normal distribution, the variance is always (Points: 5) 0 1 2 none of these 2. (TCO 6) The area under the standard nor… read more
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1.A researcher wishes to estimate with 90% confidence, the
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1. Given a level of confidence of 95% and a population standard
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1.By measuring the amount of time it takes a component of a
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Interpret a 99% confidence interval of (5.355, 5.445) for a
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1.In a random sample of 25 people, the mean number of books
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Bachelor's Degree
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1.You work for a consumer advocate agency and want to find
1.You work for a consumer advocate agency and want to find the mean repair cost of a washing machine. As part of your study, you randomly select 60 repair costs and find the mean to be \$144. The sampl… read more
Stevewh
Bachelor's Degree
Bachelor's Degree
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1.Construct the 95% and 99% confidence intervals for the population
1.Construct the 95% and 99% confidence intervals for the population proportion p using the sample statistics below. Which interval is wider? If convenient, use technology to construct confidence inter… read more
abozer
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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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