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Mathematics, 31.05.2020 05:57, uwauwa1234
Ms Davis is doing an activity with her statistic students where she gives them a 20 question multiple top choice test and they know none of the answers. Students need to guess on every question and each question has 5 possible choices, 1 of the which is correct.
What is the mean and standard deviation of the number of questions that each student gets correct?
![answer](/tpl/images/cats/otvet.png)
Answers: 3
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Ms Davis is doing an activity with her statistic students where she gives them a 20 question multipl...
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