A population of values has a distribution with μ=55.4μ=55.4 and σ=46.6σ=46.6. You intend to draw a random sample of size n=36n=36. According to the Central Limit Theorem: What is the mean of the distribution of sample means? μ¯x= What is the standard deviation of the distribution of sample means? (Report answer accurate to 2 decimal places.) σ¯x= In a random sample of n=36, what is the probability that its sample mean is more than 54.2? Round to three decimal places. In a random sample of n=36, what is the probability that its sample mean is less than 67.8? Give your answer to three decimal places.

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.3: Special Probability Density Functions
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A population of values has a distribution with μ=55.4μ=55.4 and σ=46.6σ=46.6. You intend to draw a random sample of size n=36n=36.

According to the Central Limit Theorem:

What is the mean of the distribution of sample means?
μ¯x= 

What is the standard deviation of the distribution of sample means?
(Report answer accurate to 2 decimal places.)
σ¯x=

In a random sample of n=36, what is the probability that its sample mean is more than 54.2? Round to three decimal places.


In a random sample of n=36, what is the probability that its sample mean is less than 67.8? Give your answer to three decimal places.

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ISBN:
9780321964038
Author:
GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:
Pearson Addison Wesley,