A Test of Hypothesis Has the Following Details: ​

question 24

Multiple Choice

A test of hypothesis has the following details: ​
H₀: μ = 28, Ha: μ < 28, n = 40, σ = 6.6, α = 0.10
​
Calculate β if the population mean is 27.5.

• A) 0.7889
• B) 0.9609
• C) 0.9000
• D) 0.2111

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