1. A random sample of 92 observers produced a mean X = 25.81. A random sample of 92 observers produced a mean X = 25.8 and a standard deviation s = 2.6. a) Find a 95% confidence interval for 11. b) Find the 90% confidence interval for Jl c) Find the 99% confi… read more
Ryan
Bachelor's Degree
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FOR RYAN1. The probability distribution shown here describesFOR RYAN 1. The probability distribution shown here describes a population of measurements that can assume values of 0,2,4, and 6 each of which occurs with the same relative frequency. X 0 2 4 6 P(x) … read more
Ryan
Bachelor's Degree
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2. The mean diameter of a ball bearing produced by a certain2. The mean diameter of a ball bearing produced by a certain manufacturer is 0.80 cm with a population standard deviation of 0.03 cm. A sample of 36 ball bearings is randomly selected from a productio… read more
Stevewh
Teacher
Bachelor's Degree
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1. In a week before and the week after a holiday, there were1. In a week before and the week after a holiday, there were 10,000 total deaths, and 4952 of them occurred in the week before the holiday. a. Construct a 95% confidence interval estimate of the propo… read more
Ryan
Bachelor's Degree
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Hi, I need help with a test I have for a take home exam, andHi, I need help with a test I have for a take home exam, and I do not really understand this section I am on for the test. If you can help me get the answer, and show me the steps on how you got the a… read more
Stevewh
Teacher
Bachelor's Degree
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I need help with homework questions. They are multiple choiceI need help with homework questions. They are multiple choice questions in intro to statistics and they have to be done today. They do not have to be perfect as you can redo the homework as many times… read more
Stevewh
Teacher
Bachelor's Degree
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Please help with these 17 questions!! 1. Find the margin ofPlease help with these 17 questions!! 1. Find the margin of error for the given values of c,s,and n. c=0.90,s=2.9,n=100 2. Construct the confidence interval for the population mean u. c=0.98,x=8.4,s=0… read more
Chirag
Master's Degree
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1.) Suppose we wish to estimate the mean of the property tax1.) Suppose we wish to estimate the mean of the property tax on houses in a certain area from a sample of 32 houses. The point estimate of the the population of houses in the area is 8688.44 Assuming … read more
SusanAthena
Master's Degree
Master's Degree
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1) Question 1 (Q3)- a random sample of n=100 observations is1) Question 1 (Q3)- a random sample of n=100 observations is selected from a population with µ=30 and o=23. Approximate the probabilities shown below. a. P(x̄ ≥28 b. P(22.1≤ x̄ ≤ 26.8) c. P(x̄≤ 28.2) … read more
Trigeoscal
College Math Professor
Master's Degree
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A sanitation department is interested in estimating the meanA sanitation department is interested in estimating the mean amount of garbage per bin for all bins in the city. In a random sample of 40 bins, the sample mean amount was 47 pounds and the sample stan… read more
Ryan
Bachelor's Degree
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Calculate the standard error. (Round your answers to 4 decimalCalculate the standard error. (Round your answers to 4 decimal places.) Standard Error (b) n = 50, π = .20 (c) n = 100, π = .10 (d) n = 500, π = .005 Find a confidence interval for μ assuming that eac… read more
Chirag
Master's Degree
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Find the margin of error for the given values of c, s, andFind the margin of error for the given values of c, s, and n. C=0.95, s=2.3, n=49 E=_________ (Round to three decimal places as needed) Construct the confidence interval for the population mean µ. C= … read more
Stevewh
Teacher
Bachelor's Degree
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Sample of 45 home theatre systems has a mean price of $129.003. You are given the sample mean and the sample standard deviation. Use this information to construct the 90% and 95% confidence intervals for the population mean. Which interval is wider? If the conv… read more
Ryan
Bachelor's Degree
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Find the margin of error for the given values of c, s, andFind the margin of error for the given values of c, s, and n. C=0.90, s=3.9, n=49 E=_________ (Round to three decimal places as needed) Construct the confidence interval for the population mean µ. C= … read more
Chirag
Master's Degree
10,329 satisfied customers
16. In a survey of 630 males ages 18-64, 391 say they have16. In a survey of 630 males ages 18-64, 391 say they have gone to the dentist in the past year. Construct 90% and 95% confidence intervals for the population proportion. Interpret the results and com… read more
Sandhya_sharma
Master's Degree
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Below are 12 questions. I have provided the possible answersBelow are 12 questions. I have provided the possible answers for the questions. I only need the correct answers. You can just mark the right answer and send this back to me. Also, for some of the ques… read more
Sandhya_sharma
Master's Degree
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1.Assume that the weight loss for the first month of a diet1.Assume that the weight loss for the first month of a diet program varies between 6 pounds and 12 pounds, and is spread evenly over the range of possibilities, so that there is a uniform distribution… read more
SusanAthena
Master's Degree
Master's Degree
102 satisfied customers
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