Which of the following is a true statement when alpha = 0.05? A. When the null h

Question

Which of the following is a true statement when alpha = 0.05?
   
A. When the null hypothesis is true, there is a 5% chance of making a type I error. This means we reject the notion that 0.25 of Americans believe in UFOs.
   
B. When the null hypothesis is true, there is a 5% chance of making a type II error. This means we reject the notion that 0.25 of Americans believe in UFOs.
   
C. When the null hypothesis is true, there is a 5% chance of making a type II error. This means we fail to reject the notion that 0.25 of Americans believe in UFOs.

D. When the null hypothesis is true, there is a 5% chance of making a type I error. This means we fail to reject the notion that 0.25 of Americans believe in UFOs.

Explanation / Answer

A. When the null hypothesis is true, there is a 5% chance of making a type I error. This means we reject the notion that 0.25 of Americans believe in UFOs.

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