A researcher is interested to find out the proportion of registered nurses in Manitoba who are more than 45 years of age. She randomly selects a sample of 89 from the records of members of Manitoba Nursing Association. She learns that 48 are more than 45 years of age. Construct an 85% confidence interval to estimate the population proportion of nurses who are more than 45 years of age. thanks.

Q: Use the sample data and confidence level given below to complete parts (a) through (d). A research…

A: GIVEN DATA,  n=971x=554P^=Xn=554971=0.5705CI=0.99α=1-0.99=0.01we have to find out the confidence…

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Q: You are told that a survey produced a 90% confidence interval for the mean spent on utilities per…

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Q: Use the sample data and confidence level given below to complete parts (a) through (d). A research…

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Q: King Salmon in the Kenai River. Deion works for Alaska Fish and Game. They would like to know the…

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Q: Find  z for a  90% confidence level. Round your answer to two decimal places.

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A: Given n=12 Let X : Waiting time for men who wear a tie x 14 16 14 17 15 15 13 13…

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Q: Which of the following will decrease the confidence interval width for the population mean?   A)…

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Q: Construct the 99% confidence interval for the difference when 3-47688, -318.32, -42.11, -2680, -19,…

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A: Given, Confidence interval, α = 90 Sample proportion, p^ = 0.62 Margin of error, M.E = 0.025

Q: Use the sample data and confidence level given below to complete parts​ (a) through​ (d).   A…

A: Given, The sample proportion is,

Q: find tc for a 95% confidence level when the sample size is 6.

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.