Consider Ho: M = 45 versus H₁: μ< 45. a. A random sample of 25 observations produced a sample mean of 41.4. Using a = 0.05, would you reject the null hypothesis? The population is known to be normally distributed with o = 9. b. Another random sample of 25 observations taken from the same population produced a sample mean of 43.3. Using a = 0.05, would you reject the null hypothesis? The population is known to be normally distributed with = 9.

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Consider Ho: μ = 45 versus H₁: μ< 45.
a. A random sample of 25 observations produced a sample mean of 41.4. Using a = 0.05, would you reject
the null hypothesis? The population is known to be normally distributed with o = 9.
b. Another random sample of 25 observations taken from the same population produced a sample mean of
43.3. Using a = 0.05, would you reject the null hypothesis? The population is known to be normally
distributed with o
=
9.
Transcribed Image Text:Consider Ho: μ = 45 versus H₁: μ< 45. a. A random sample of 25 observations produced a sample mean of 41.4. Using a = 0.05, would you reject the null hypothesis? The population is known to be normally distributed with o = 9. b. Another random sample of 25 observations taken from the same population produced a sample mean of 43.3. Using a = 0.05, would you reject the null hypothesis? The population is known to be normally distributed with o = 9.
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