Question

When H0 is rejected, which significance level (or alpha level) would result in the greatest chance of a type I error?

0.25

0.10

0.01

0.001

Answer 1

Hello Sir/ Mam

YOUR REQUIRED ANSWER IS OPTION A : 0.25

We know that:

Type 1 error occurs when we reject a true null hypothesis.

Hence, as h0 is rejected, we have to find the greatest chance of having type 1 error, i.e. the null hypothesis is true.

Level of significance means the probability of rejecting null, when it is true.

Hence, the greater the level of significance, greater are the chances of rejecting a true null hypothesis.

Hence, greatest chance of Type 1 error is when level of significance is 0.25

I hope this solves your doubt.

Do give a thumbs up if you find this helpful.