It is known that the main mass variance of product X produced in an electronic card factory is 1600 and the number of products that should be included in the sample is 230. How many days should the difference between the average of the population and the sample average

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.7: Probability
Problem 58E: What is meant by the sample space of an experiment?
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It is known that the main mass variance of product X produced in an electronic card factory is 1600 and the number of products that should be included in the sample is 230. How many days should the difference between the average of the population and the sample average be at the 95% confidence level?

 
 a)

4

 B)

3

 NS)

5

 D)

6

 TO)

7

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