Question
In: Math
In the EAI sampling problem, the population mean is $51,800 and the population standard deviation is...
In the EAI sampling problem, the population mean is $51,800 and the population standard deviation is $4,000. When the sample size is n = 20, there is a 0.4246 probability of obtaining a sample mean within +/-$500 of the population mean. Use z-table.
a. What is the probability that the sample mean is within $500 of the population mean if a sample of size 40 is used (to 4 decimals)?
b. What is the probability that the sample mean is within $500 of the population mean if a sample of size 80 is used (to 4 decimals)?
Solutions
milcah answered 1 year agoRelated Solutions
In the EAI sampling problem, the population mean is $51,200 and the population standard deviation is...
In the EAI sampling problem, the population mean is $51,200 and
the population standard deviation is $4,000. When the sample size
is n = 20, there is a 0.4238 probability of obtaining a
sample mean within +/- $500 of the population mean. Use
z-table.
What is the probability that the sample mean is within $500 of
the population mean if a sample of size 40 is used (to 4
decimals)?
What is the probability that the sample mean is...
In the EAI sampling problem, the population mean is $51,100 and the population standard deviation is...
In the EAI sampling problem, the population mean is $51,100 and
the population standard deviation is $4,000. When the sample size
is n = 20, there is a 0.4977 probability of obtaining a
sample mean within +/- $600 of the population mean. Use
z-table.
What is the probability that the sample mean is within $600 of
the population mean if a sample of size 40 is used (to 4
decimals)?
What is the probability that the sample mean is within...
In the EAI sampling problem, the population mean is $51,400 and the population standard deviation is...
In the EAI sampling problem, the population mean is $51,400 and
the population standard deviation is $5,000. When the sample size
is n = 30, there is a 0.489 probability of obtaining a sample mean
within +/- $600 of the population mean. Use z-table.
a. What is the probability that the sample mean is within $600
of the population mean if a sample of size 60 is used (to 4
decimals)?
b. What is the probability that the sample mean...
In the EAI sampling problem, the population mean is $51,900 and the population standard deviation is...
In the EAI sampling problem, the population mean is $51,900 and
the population standard deviation is $4,000. When the sample size
is n = 20, there is a 0.4238 probability of obtaining a sample mean
within +/- $500 of the population mean. Use z-table.
a. What is the probability that the sample mean is within $500
of the population mean if a sample of size 40 is used (to 4
decimals)?
b. What is the probability that the sample mean...
In the EAI sampling problem, the population mean is $51,200 and the population standard deviation is...
In the EAI sampling problem, the population mean is $51,200 and
the population standard deviation is $5,000. When the sample size
is n = 20, there is a 0.3453 probability of obtaining a
sample mean within +/- $500 of the population mean. Use
z-table.
What is the probability that the sample mean is within $500 of
the population mean if a sample of size 40 is used (to 4
decimals)?
What is the probability that the sample mean is within...
In the EAI sampling problem, the population mean is $51,800 and the population standard deviation is...
In the EAI sampling problem, the population mean is $51,800 and
the population standard deviation is $4,000. When the sample size
is n = 20, there is a 0.4238 probability of obtaining a
sample mean within +/- $500 of the population mean. Use
z-table.
What is the probability that the sample mean is within $500 of
the population mean if a sample of size 40 is used (to 4
decimals)?
What is the probability that the sample mean is within...
In the EAI sampling problem, the population mean is $51,600 and the population standard deviation is...
In the EAI sampling problem, the population mean is $51,600 and
the population standard deviation is $5,000. When the sample size
is n = 30, there is a 0.489 probability of obtaining a
sample mean within +/- $600 of the population mean. Use
z-table.
What is the probability that the sample mean is within $600 of
the population mean if a sample of size 60 is used (to 4
decimals)?
What is the probability that the sample mean is within...
In the EAI sampling problem, the population mean is 51,600 and the population standard deviation is...
In the EAI sampling problem, the population mean is 51,600 and
the population standard deviation is 5,000. When the sample size is
n=30, there is a 0.4176 probability of obtaining a sample mean
within +/- 500 of the population mean.
1. What is the probability that the sample mean is within 500 of
the population mean if a sample of size 60 is used (to 4
decimals)?
2. What is the probability that the sample mean is within 500 of...
In the EAI sampling problem, the population mean is $51,200 and the population standard deviation is...
In the EAI sampling problem, the population mean is $51,200 and
the population standard deviation is $5,000. When the sample size
is n=30, there is a 0.4908 probability of obtaining a sample mean
within plus or minus $600 of the population mean. Use
z-table.
a. What is the probability that the sample mean
is within $600 of the population mean if a sample of size 60 is
used (to 4 decimals)?
b. What is the probability that the sample mean...
In the EAI sampling problem, the population mean is $51,900 and the population standard deviation is...
In the EAI sampling problem, the population mean is $51,900 and
the population standard deviation is $4,000. When the sample size
is n = 30, there is a 0.5887 probability of obtaining a
sample mean within +/- $600 of the population mean. Use
z-table.
What is the probability that the sample mean is within $600 of
the population mean if a sample of size 60 is used (to 4
decimals)?
What is the probability that the sample mean is within...
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