Mathematics, 26.06.2019 17:30 haydenoo72
98 points in total! 1 question! no calculator! show your work! a student randomly guesses on 10 true or false questions. use the binomial model to determine the probability that the student gets 5 out of the 10 questions right. show all your steps.
Answers: 1
![P(x)=[\frac{n!}{x!(n-x)!}]p^xq^{n-x}](/tpl/images/0020/2582/8b845.png)
on substituting the values we get:![P(x)=[\frac{`10!}{5!(5)!}]\frac({1}{2})^5\cdot \frac{1}{2}^{5}](/tpl/images/0020/2582/3a74c.png)
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