subject
Mathematics, 10.05.2020 17:57 avenhollander

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?

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 17:30
Can someone me with this problem i don't understand i need
Answers: 2
question
Mathematics, 21.06.2019 22:30
Which term below correctly completes the following sentence? if a function has a vertical asymptote at a certain x value, then the function is what at that value
Answers: 1
question
Mathematics, 21.06.2019 22:30
Awindow washer cleans 42 windows in 2 hours. at this rate, how many windows did he clean in 180 minutes.
Answers: 2
question
Mathematics, 22.06.2019 00:10
Solve for b. ab + c= d b= a + old ob=allc-ch b= (d-c/a
Answers: 3
You know the right answer?
Ms Davis is doing an activity with her statistic students where she gives them a 20 question multipl...
Questions
question
Mathematics, 01.12.2020 01:30
question
Mathematics, 01.12.2020 01:30
question
Mathematics, 01.12.2020 01:30
question
Mathematics, 01.12.2020 01:30
Questions on the website: 13722367