Mathematics, 10.12.2021 23:10 babyambs50
A statistics teacher had a class of 50 students, of which 31 passed.
The teacher decides to draw 3 students WITHOUT REPLACEMENT to ask their opinion about the subject.
Let Y be the total number of students approved in the course among those drawn by the teacher to give his opinion.
Under these conditions, do what is asked:
1. Determine the probability function of Y
2. Determine the mean and variance of Y
Answers: 2
Another question on Mathematics
Mathematics, 21.06.2019 15:30
The coordinates of a, b, and c in the diagram are a(p,4), b(6,1), and c(9,q). which equation correctly relates p and q? hint: since is perpendicular to , the slope of × the slope of = -1. a. p - q = 7 b. q - p = 7 c. -q - p = 7 d. p + q = 7
Answers: 3
Mathematics, 21.06.2019 18:00
The los angels ram scored 26, 30, 48, and 31 pts in their last four games. how many pts do they need to score in super bowl liii in order to have an exact mean average of 35 pts over five games. write and solve and equation. use x to represent the 5th game.
Answers: 1
Mathematics, 21.06.2019 20:00
The graph and table shows the relationship between y, the number of words jean has typed for her essay and x, the number of minutes she has been typing on the computer. according to the line of best fit, about how many words will jean have typed when she completes 60 minutes of typing? 2,500 2,750 3,000 3,250
Answers: 3
Mathematics, 21.06.2019 22:40
Which of the following functions corresponds to the above sinusoid? a. 10 cos πx - 5 b. -5 sin x - 5 c. -10 cos πx/2 - 0.5 d. 10 sin πx - 5
Answers: 1
You know the right answer?
A statistics teacher had a class of 50 students, of which 31 passed.
The teacher decides to draw 3...
Questions
History, 22.06.2019 03:00
Chemistry, 22.06.2019 03:00
Mathematics, 22.06.2019 03:00
Social Studies, 22.06.2019 03:00
Mathematics, 22.06.2019 03:00
History, 22.06.2019 03:00
