A town has 500 real estate agents. The mean value of the properties sold in a year by these agents is ​$950,000​, and th

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answerhappygod
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A town has 500 real estate agents. The mean value of the properties sold in a year by these agents is ​$950,000​, and th

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A town has 500 real estate agents. The mean value of the
properties sold in a year by these agents is ​$950,000​, and the
standard deviation is ​$250,000.
A random sample of 100 agents is​ selected, and the value
of the properties they sold in a year is recorded.
a. What is the standard error of the sample​ mean?
b. What is the probability that the sample mean exceeds
​$973,000​?
c. What is the probability that the sample mean exceeds
​$927,000​?
d. What is the probability that the sample mean is between
​$924,000 and ​$977,000​?
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