Question 888310
alpha = 1-0.95 = 0.05

z(alpha/2) = z0.025 = 1.96

CI (Lower,UPPer)

Lower = x-bar - z0.025(σ)/sqrt(n)  = 37 - 1.96(3)/6 = 36.02

Lower = x-bar + z0.025(σ)/sqrt(n)  = 37 + 1.96(3)/6 = 37.98

Answer: (36.02,37.98)

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