Find $\mathrm { P } ( 395.4 < \bar { X } < 404.6 )$

question 48

Multiple Choice

Find $\mathrm { P } ( 395.4 < \bar { X } < 404.6 )$
If the population mean = 400,?_x = 20,and n = 100.

• A).9786
• B).9999
• C).0214
• D).9893

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