A manufacturer makes chocolate squares that have a target weight of 8g. Quality control engineers sample chocolate squares from a batch to test the hypotheses H0:=8g vs. Ha:8g where is the true mean weight of the chocolate squares in that batch.

Suppose that H0 is actually true

Which situation below would have the lowest probability of a Type I error?

a. n=20 and =0.10

b. n=50 and =0.05

c. n=50 and =0.01