stillwater junior high divides students into teams taught by a group of teachers the table shows the number of students in each team.

Question

imgur . com/x7kghII (picture of student numbers)

The principle uses a computer to randomly select the name of a student from all the students in the school. With the computer program, it is possible to draw the name of the same student twice. If the principle selects the name of a student from the Blazers on the first try, what is the probability she will draw the name of a student from the Blazers on the second try?

1) 1/5
2) 1/8
3) 79/399
4) 1/80

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What is an equation for the translation (x - 2)^2 + (y + 1)^2 = 16 by 4 units left and 6 units up?

1) (x + 2)^2 + (y - 5)^2 = 16
2) (x - 2)^2 + (y - 5)^2 = 16
3) (x + 5)^2 + (y - 2)^2 = 16
4) (x + 4)^2 + (y - 5)^2 = 16

Answer 1

#1 - the probability is the same on every draw, since no names are removed when drawing: 80/400

and that's "principal."

#2
(x-2+4)^2 + (y+1-6)^2 = 16

Answer 2

so in other words 1/5, because 80/400=1/5
I know I'm extremely late, but like... :)

Answer 3

ur right

Answer 4

For anyone wanting the answer to the "Acers" variation of this question, I just took the test and the answer for this variation is 39/200, which is option D for me.

It says "If the principal selects the name of a student from the Acers on the first try, what is the probability she will draw the name of another student from the Acers on the second try?"

Hope this helps someone!

Answer 5

Thank you for providing this information, I'm sure it will be helpful to someone looking for the answer to this variation of the problem!