Find the margin of error for mu
Find the margin of error for mu(mew), if x-bar = 50, n= 16, s= 12 and c= 90.
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Suppose the amount of cosmic radiation to which a person is exposed folows normal distributioin with a mean 5.853 and standrad deviation 1.361. What is the probability that the person will be exposed to more than 8.625 units of cosmic radiation?
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