Okay so at first it was confusing because I didn't know what you were asking but I'm Guessing you wanted it graphed and shaded so here you go.
Have A Great Day. :)
Have A Great Day. :)
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1 answer:
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Answer:
The probability of no correct answers is 0.125 = 12.5%.
Step-by-step explanation:
For each question, there are only two possible outcomes. Either it is answered correctly, or it is not. The probability of a question being answered correctly is independent of any other question, which means that we use the binomial probability distribution to solve this question.
Binomial probability distribution
The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.
In which is the number of different combinations of x objects from a set of n elements, given by the following formula.
And p is the probability of X happening.
3 trials, each with probability of success (correct) given by p=0.50.
This means that
The probability of no correct answers is
This is P(X = 0).
The probability of no correct answers is 0.125 = 12.5%.