Will you please provide an explanation with the answer?

Question - If a test of hypothesis has a Type I error probability

() of 0.1, it means that:

a) if the null hypothesis is false, you reject it 10% of the time.

b) if the null hypothesis is true, you reject it 10% of the time.

c)if the null hypothesis is false, you don't reject it 10% of the time.

d) if the null hypothesis is true, you don't reject it 10% of the time.