A population of values has a distribution with μ=80.9 and σ=48.7. You intend to draw a random sample of size n=62. According to the Central Limit Theorem: (a) What is the mean of the distribution of...


A population of values has a distribution with μ=80.9 and σ=48.7. You intend to draw a random sample of size n=62.



According to the Central Limit Theorem:



(a) What is the mean of the distribution of sample means?

μ¯x=



(b) What is the standard deviation of the distribution of sample means?

(Report answer accurate to 2 decimal places.)

σ¯x=







(c) In a random sample of n=62, what is the probability that its random sample mean is more than 81.7? Round to three decimal places.







(d) In a random sample of n=62, what is the probability that its random sample mean is less than 82.1? Give your answer to three decimal places.



































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































Jun 09, 2022
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