A random sample of 110 observations produced a mean of x―=35.9 from a population with a normal distribution and a standard deviation σ=4.75. (a) Find a 90% confidence interval for μ ≤μ≤ (b) Find a 95% - QAmmunity.org

A random sample of 110 observations produced a mean of x―=35.9 from a population with a normal distribution and a standard deviation σ=4.75. (a) Find a 90% confidence interval for μ ≤μ≤ (b) Find a 95%

asked Sep 10, 2024 66.5k views

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