Answer:
The correct answer is letter "C": alpha.
Explanation:
In statistics, while talking about probabilities, an Error Type I or Alpha (α) Error takes place when a null hypothesis is rejected but these results to be true. In other words, the error happens when it is believed that the process is out of control when it really is under control. The probability of making an error Type I is α, which is the value a researcher gives for his hypothesis.
