SOLUTION: if the population has a M = 500 and SD = 200 what is the probability of selecting a sample with a mean of >590 ? <390 ? p(M>590) p(M<390)

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Question 658122: if the population has a M = 500 and SD = 200 what is the probability of selecting a sample with a mean of >590 ? <390 ?
p(M>590)
p(M<390)
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
if the population has a M = 500 and SD = 200 what is the probability of selecting a sample with a mean of >590 ? <390 ?
p(M>590)
----
z(590) = (590-500)/[200/sqrt(n)] = ?
Question: What is the sample size?
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p(M<390)
z(390) = (390-500)/[200/sqrt(n)] = ?
Question: What is the sample size
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Cheers,
stan H.