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How Do I Calculate A Run Of "at Least" X Successes? For Example, A Run Of "exactly" 7 Successes Is 0.5^7, Which Is About 0.78%. But What If I Want To Calculate For 7 "or More" Successes; Or, To Put It Another Way - A Run Of "at Least" 7 Successes? - Math Discussion

How do I calculate a run of "at least" x successes? For example, a run of "exactly" 7 successes is 0.5^7, which is about 0.78%. But what if I want to calculate for 7 "or more" successes; or, to put it another way - a run of "at least" 7 successes?