subject
Mathematics, 23.07.2020 17:01 shaking9302

A student takes a 48 question multiple choice quiz. The student is unprepared, so they guess on every question. The probability of guessing a correct answer is 1/4. Find the mean and standard deviation for the random variable

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 17:20
Which of the following pairs of functions are inverses of each other? o a. f(x)=x72+8 and 96-9 = 7/x+2) =8 o b. f(x)= 6(x - 2)+3 and g(x) - *#2-3 o c. $4) = 5(2)-3 and 90- 4*: 73 o d. f(x) = 6)-12 and 910 – +12
Answers: 1
question
Mathematics, 21.06.2019 20:30
Jose is going to use a random number generator 500500 times. each time he uses it, he will get a 1, 2, 3,1,2,3, or 44.
Answers: 1
question
Mathematics, 21.06.2019 21:30
Jude is making cement for a driveway. the instructions show the amount of each ingredient to make 1 batch of cement. complete each statement to adjust the ingredients for each new situation if jude uses these instructions.
Answers: 3
question
Mathematics, 22.06.2019 00:00
Jessica is organizing a guided tour of the rain forest. the average profit per person that the touring company makes is given by the rational expression 18x+35/x, where x is the number of people going on the tour. what does the numerator of this rational expression represents?
Answers: 2
You know the right answer?
A student takes a 48 question multiple choice quiz. The student is unprepared, so they guess on ever...
Questions
question
Mathematics, 09.12.2021 05:00
question
Mathematics, 09.12.2021 05:00
question
Mathematics, 09.12.2021 05:00
Questions on the website: 13722362