SOLUTION: A student randomly guesses at 10 multiple-choice questions. Find the probability that the student guesses exactly 3 correctly. Each multiple choice question has four possible answe
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Question 1020268: A student randomly guesses at 10 multiple-choice questions. Find the probability that the student guesses exactly 3 correctly. Each multiple choice question has four possible answers with only one correct answer, and each question is independent of every other question.
How do i pick this question apart in terms of what to put where in my TI-83?
Found 2 solutions by Fombitz, ewatrrr:
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Probability of correct :
Probability of incorrect :
Total questions :
Total correct :
.
.
.
Sorry I use HP not TI.
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
TI syntax for P(x-value) is binompdf(n, p, x-value).
binompdf(10,.25, 3)
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