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Need help Q1. Determine /; and OF from the given population parameters and the sample size. H = 84 0 = 12 n = 30

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Need help

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Q1. Determine /; and OF from the given population parameters and the sample size. H = 84 0 = 12 n = 30 Q2. IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. What is the probability a random sample of 20 people have a mean IQ score greater than 110? Q3. Home sizes in Anytown, USA have a mean of 2400 square feet and a standard deviation of 450 square feet. What is the probability that a random sample of 50 homes in Anytown, USA has a mean square footage less than 2200 square feet? Q4. In your own words, what does the central limit theorem tell us? (Page #373 of text book) Q5. A simple random sample of size n=40 is obtained from a population with / - 50 and o - 4. Does the population distribution need to be normally distributed for the sampling distribution of to be approximately normally distributed? Why or why not? What is the mean and standard deviation of the sampling distribution

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