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Answer :
Answer:
Standard deviation = 10.73
Step-by-step explanation:
We are given the following information in the question:
Mean, μ = 159 lb
Standard Deviation, σ = 24 lb
We are given that the distribution of weights of people is a bell shaped distribution that is a normal distribution.
a) sampling distribution of the mean
The sampling distribution of the mean is the same as the distribution of weights of people that is the normally distributed.
b) Standard deviation
Sample size, n = 5
[tex]=\dfrac{\sigma}{\sqrt{n}} = \dfrac{24}{\sqrt{5}}= 10.73[/tex]
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