Consider H0: = 45 versus H1: < 45. a. A random sample of 25 observations
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a. A random sample of 25 observations produced a sample mean of 41.8. Using α = .025, would you reject the null hypothesis? The population is known to be normally distributed with σ = 6.
b. Another random sample of 25 observations taken from the same population produced a sample mean of 43.8. Using α = .025, would you reject the null hypothesis? The population is known to be normally distributed with σ = 6.
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