☑Kizspy.me
Answer (Choose 1 answer)
☐ A
(See picture)
A. 12
☐ C
B. 139
C. 10
D. 97
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FUO.sh
sh the exam.
If you want to be 95% confident of estimating the population mean to
within a sampling error of +2 and the standard deviation is assumed to be
12, what sample size is required?
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Let Z0.025 1.96 and Z0.05 1.64.
