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answerhappygod
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- To Construct A Confidence Interval About The Population Mean When The Population Standard Deviation Is Known You Determ 1 (317.35 KiB) Viewed 21 times
please help
To construct a confidence interval about the population mean when the population standard deviation is known, you determine the lower and the upper bound by using formula, (circle one answer) (a) Lower bound: # - Za Upper bound: : 1+za hrn (b) Lower bound: 8 – 2a/2 av Upper bound: : +2a/2 in bZa * (©) Lower bound: # – ta Upper bound: : ž+ta in (d) Lower bound: 7 – ta/2. Upper bound: : 8+tal2 vine vn O Answer (d) O Answer (b) Answer (a) O Answer (c)
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