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

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 16:30, lilrel8602

Karen is financing $291,875 to purchase a house. she obtained a 15/5 balloon mortgage at 5.35%. what will her balloon payment be? a. $220,089.34 b. $219,112.46 c. $246,181.39 d. $230,834.98

Answers: 2

continue

Mathematics, 21.06.2019 17:40, cifjdhhfdu

Aregular hexagon has sides of 2 feet. what is the area of the hexagon? 12 ft2 12 ft2 24 ft2 6 ft2

Answers: 2

continue

Mathematics, 21.06.2019 21:30, justkevin1231

The domain of a function can be represented by which one of the following options? o a. a set of output values o b. a set of f(x) values o c. a set of input values o d. a set of both input and output values

Answers: 3

continue

Mathematics, 21.06.2019 22:10, Kurlyash

Atype of plant is introduced into an ecosystem and quickly begins to take over. a scientist counts the number of plants after mmonths and develops the equation p(m)= 19.3(1.089)^m to model the situation. most recently, the scientist counted 138 plants. assuming there are no limiting factors to the growth of the plants, about how many months have passed since the plants werefirst introduced? a)o 6.1b)0.6.6c)10 72d)o 23.1

Answers: 3

continue

You know the right answer?

A statistics teacher had a class of 50 students, of which 31 passed. The teacher decides to draw 3...