subject
Mathematics, 31.12.2020 19:10 alexfvdsdfgfd8151

Let the random variable Q represent the number of students who go to a certain teacher office hour each day. The standard deviation of Q is 2.2. Which of the following is the best interpretation of the standard deviation? a. On average, the number of students going to an office hour varies from the mean by about 2.2 students.
b. For a randomly selected office hour, the number of students who will go is 2.2.
с. For a randomly selected office hour, the number of students expected to go will vary from the mean by 2.2 students.
d. For a random selection of office hours, the average number of students expected to go is 2.2.
e. For a random selection of office hours, the E average number of students expected to go will vary from the mean by 2.2 students.

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 15:00
What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer
Answers: 3
question
Mathematics, 21.06.2019 15:20
What is the range of the data below? .8090100
Answers: 1
question
Mathematics, 21.06.2019 15:30
Find the gradient of f(x,y,z)equals=left parenthesis x squared plus y squared plus z squared right parenthesis superscript negative 1 divided by 2 baseline plus ln left parenthesis x right parenthesis x2+y2+z2−1/2+ln(xyz) at the point left parenthesis negative 2 comma 1 comma negative 2 right parenthesis(−2,1,−2).
Answers: 1
question
Mathematics, 21.06.2019 20:20
Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.
Answers: 1
You know the right answer?
Let the random variable Q represent the number of students who go to a certain teacher office hour e...
Questions
question
Computers and Technology, 28.06.2020 23:01
question
Mathematics, 28.06.2020 23:01
question
Mathematics, 28.06.2020 23:01
question
Mathematics, 28.06.2020 23:01
Questions on the website: 13722366