Type 1 vs. Type 2 Errors

i’m still a little confused on type 1 and type 2 errors, whats the difference between the two and how do you know when to use which?

Type I Error - Rejecting Null hypothesis (H0) & finding convincing evidence for the alt. hyp. (Ha) when we should’ve failed to reject H0 and not found convincing evidence for Ha

Type II error - Failing to reject the Null hypothesis (H0) & not finding convincing evidence for the alt. hyp. (Ha) when we should’ve rejected H0 and found convincing evidence for Ha

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