What does it mean when it says reject or fail to reject a null hypothesis?

Enough evidence vs. not enough evidence against the null hypothesis.

When you reject the null hypothesis, it means that you have enough evidence to say that things are “other than normal.”

When you fail to reject the null hypothesis, it means that you do not have enough evidence to say things are other than expected based on a given confidence level.

"Looking for a Similar Assignment? Order now and Get 10% Discount. Discount Code - "Newclient"!