Testing: is my coin fair - Vital-IT

This is a two-sided test. If the “total” significance αis e.g. 0.05, it means we must allow α/2 (0.025) for bias towards tail and α/2 (0.025) for bias towards head. If HA is “the coin is biased towards heads”, we specify the direction of the bias and the test is one-sided. Two-sided tests are usually recommended because they do ................
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