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Mathematics 9 Online
OpenStudy (anonymous):

You have a 5-question multiple-choice test. Each question has four choices. You don’t know any of the answers. What is the experimental probability that you will guess exactly three out of five questions correctly? Type your answer below using complete sentences.

OpenStudy (misty1212):

HI!!

OpenStudy (misty1212):

binomial should work for this one

OpenStudy (misty1212):

what is the probability you get any one question right?

OpenStudy (misty1212):

if you do not know, say so and i can tell you hint, there are 4 possible answers, only one is right

OpenStudy (anonymous):

I really don't know..

OpenStudy (misty1212):

one is right, out of four ratio is \(\frac{1}{4}\) i.e. the probability you get any one answer correct is \(\frac{1}{4}\)

OpenStudy (misty1212):

you also need the probability you get any one answer incorrect you know that?

OpenStudy (anonymous):

3/4?

OpenStudy (triciaal):

|dw:1438222812257:dw|

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