Let X represent the full height of a certain species of tree. Assume that X has a normal probability distribution with μ 229.5 ft and o 6.7 ft. = -

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
Section13.2: Expected Value And Variance Of Continuous Random Variables
Problem 10E
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Let X represent the full height of a certain species
of tree. Assume that X has a normal probability
distribution with μ = 229.5 ft and o =
н
6.7 ft.
You intend to measure a random sample of
n = 48 trees.
What is the mean of the distribution of sample
means?
Hz =
What is the standard deviation of the distribution
of sample means (i.e., the standard error in
estimating the mean)?
(Report answer accurate to 2 decimal places.)
ft
ox
ft
=
Transcribed Image Text:Let X represent the full height of a certain species of tree. Assume that X has a normal probability distribution with μ = 229.5 ft and o = н 6.7 ft. You intend to measure a random sample of n = 48 trees. What is the mean of the distribution of sample means? Hz = What is the standard deviation of the distribution of sample means (i.e., the standard error in estimating the mean)? (Report answer accurate to 2 decimal places.) ft ox ft =
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