SOLUTION: The sampled population is normally distributed, with the given information. (Give your answers correct to two decimal places.) n = 18 Sample mean = 28.5 σ = 6.7 (a)

Question 723686: The sampled population is normally distributed, with the given information.
(Give your answers correct to two decimal places.)
n = 18
Sample mean = 28.5
σ = 6.7
(a) Find the 0.9 confidence interval for μ.
________ to ____________

FYI: I came up with 25.66 to 31.34 and it marked it wrong. Since it is an online class, it is hard to get help when I am stumped...

Answer by lynnlo(4176) (Show Source): You can put this solution on YOUR website!

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SOLUTION: The sampled population is normally distributed, with the given information. (Give your answers correct to two decimal places.) n = 18 Sample mean = 28.5 &#963; = 6.7 (a)

SOLUTION: The sampled population is normally distributed, with the given information. (Give your answers correct to two decimal places.) n = 18 Sample mean = 28.5 σ = 6.7 (a)