Examlex
In a particular game of cards, success is measured by the number of aces drawn by each player. Eight cards are drawn by the first player. Given that the player is drawing from a full poker deck of 52 cards, find the probability that this player will draw two aces from the deck.
Directional Research Hypothesis
A research hypothesis that posits a difference between groups in one direction.
Nondirectional Research Hypothesis
A research hypothesis that posits a difference between groups but not in either direction. See Directional Research Hypothesis.
Null Hypothesis
A hypothesis that there is no significant difference or effect, serving as the default assumption that is tested against.
Error Hypothesis
A statement positing the existence of a difference or effect, used in the context of hypothesis testing to denote a hypothesis that is tested for being in error relative to the null.
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