Question
In: Statistics and Probability
You take a simple random sample of size 64 from a population with a mean of...
You take a simple random sample of size 64 from a population with a mean of 100 and a standard deviation of 32.
A. The standard error of ഥX is ______________. What is the probability that ഥX will be:
B. Less than 110? ___________________
C. Greater than 96? __________________
D. Within 1.7 standard errors of M? ____________
please help
Solutions
Expert Solution
Given that
A: The standard error of mean is
B:
The z-score for 
is
The probability that 
will be
less than 110 is
C:
The z-score for 
is
The probability that will be
greater than 96 is
D:
The z-score for 
is
The z-score for 
is
The probability that will be
Within 1.7 standard errors of M is
orchestra answered 2 years agoRelated Solutions
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A simple random sample of size n=40 is drawn from a population. The sample mean is...
A simple random sample of size n=40 is drawn from a population.
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Suppose that a random sample of size 64 is to be selected from a population with...
Suppose that a random sample of size 64 is to be selected from a
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Suppose that a random sample of size 64 is to be selected from a population with...
Suppose that a random sample of size 64 is to be selected from a
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a) What is the approximate probability that x will differ from μ
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A simple random sample of size n=64 is obtained from a population with μ=88 and σ=24....
A simple random sample of size n=64 is obtained from a
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(a) Describe the sampling distribution of x. is it 1,2,3,4, or
5?
1. The distribution is skewed right.
2. The distribution is approximately normal.
3. The distribution is uniform.
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5. The shape of the distribution is
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Ux=
Ox=
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(d) What is P (74.6<x<83.3)?
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