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Need help. Kindly show ur solutions. Thank you.. Solve the given problem. Find the following and show your complete solution. 1. The average test scores

Need help. Kindly show ur solutions. Thank you..
Solve the given problem. Find the following and show your complete solution. 1. The average test scores of Mr. Buenaventura's classes in Statistics and Probability is normally distributed with a standard deviation of 6. There are 185 scores with a sample mean and 150 were selected at random. Estimate the population mean with: a. 85% confidence b. 90% confidence c. 95% confidence 2. A sample of seven college wrestlers had an average weight of 267 pounds with a sample standard deviation of 10 pounds. Find the 98% confidence interval of the true mean weight of all college wrestlers.For #1 and #2, find the following: A. CRITICAL VALUE B. MARGIN OF ERROR C. LOWER LIMIT D. UPPER LIMIT E. SOLUTION SET F. ILLUSTRATE THE CONFIDENCE INTERVAL

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