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Answer to Question #53550 in Statistics and Probability for Bob
Question #53550
How large a sample should one select to be 86% confident that the sampling error is 10 or less? Assume that the population standard deviation is 250.
a. 1360
b. 890
c. 820
d. 280
a. 1360
b. 890
c. 820
d. 280
Expert's answer
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Comments
Dear Rachel, please describe which places in a solution of the question should be clarified.
Question #53550 Hi there, can you please explain better how you arrived at the answer for this question?
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