An engineer has carefully measured the spacing between
anchor bolts (in mm) as:
19Â Â 23Â Â 21Â Â 21
19Â Â ...
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An engineer has carefully measured the spacing betweenanchor bolts (in mm) as: 19  23  21  21 19  13  26  15 30  30  17  24 20  16  24  20 Find: a. The 90 percent CI for µ b. The 80 percent CI for µ c. The 99 percent CI for µ assuming σ = 4.1 mm is known
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Givenn 16 observations givena 90 confidence interval for The formula to find the confidence interval for population meanwhen population standard deviation know isWhere Z z critical value at given confidence
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