Answer :
The normal distribution is a statistical model defined by its mean and standard deviation that is used to assess probabilities.
chance is the department of mathematics regarding numerical descriptions of the way probably an occasion is to occur, or how possibly it's far that a proposition is real. The possibility of an occasion is quite a number between 0 and 1, where, roughly speakme, 0 indicates impossibility of the event and 1 suggests certainty.[note 1][1][2] The higher the opportunity of an event, the much more likely it's miles that the occasion will arise. A simple example is the tossing of a truthful (independent) coin. because the coin is truthful, the 2 consequences ("heads" and "tails") are each equally probable; the probability of "heads" equals the chance of "tails".
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