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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
1
Expert's answer
2015-07-22T09:02:37-0400
The answer to the question is available in the PDF file https://www.assignmentexpert.com/https://www.assignmentexpert.com/homework-answers/mathematics-answer-53550.pdf

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Comments

Assignment Expert
09.04.21, 19:01

Dear Rachel, please describe which places in a solution of the question should be clarified.

Rachel Vinet
05.04.21, 00:40

Question #53550 Hi there, can you please explain better how you arrived at the answer for this question?

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