SOLUTION: each question of a 5 question multiple choice exam gas 3 possible answers. suppose a student picks an answer at random for each question. find the probability the student selects t
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Question 875115: each question of a 5 question multiple choice exam gas 3 possible answers. suppose a student picks an answer at random for each question. find the probability the student selects the correct answer on all of the questions Answer by solver91311(24713) (Show Source):
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The probability of successes in trials where is the probability of success on any given trial is given by:
Where is the number of combinations of things taken at a time and is calculated by
You need to calculate
As an aid to doing this calculation, remember that and anything raised to the zero power is 1.
John
My calculator said it, I believe it, that settles it
