help me out with this..let me know how u got the answer please,?

Question

A special lottery is to be held to select the student who will live in the only deluxe room in a dormitory. There are 100 seniors, 150 juniors, and 200 sophomores who applied. Each senior's name is placed in the lottery 3 times; each junior's name, 2 times; and each sophomore's name, 1 time. What is the probability that a senior's name will be chosen?

Answer 1

100 X 3 is 300 senior names 150 X 2 is 300 junior names and 200 X 1 is 200 sophmore names

thats 800 and 300 are seniors so there is a 300 out of 800 chance for a senior or 3 out of 8 or divide 8 into 3 and you get 37.5% chance

Answer 2

Okay
Each senior got 3 name slips so 3 x 100 = 300
Each junior got 2 name slips so 2 x 150 = 300
Each sophomore only got 1 so 1 x 200 = 200

The total number of name slips is 300 + 300 + 200 = 800

The probability of a senior is 300/800 or 3/8 = 37.5%

Answer 3

Seniors- 100 ppl x 3 entries = 300 entries

Juniors- 150 ppl x 2 entries = 300 entries

Sophomores- 200 ppl x 1 entries = 200 entries

800 total entries-300 seniors

300/800, reduced to 3/8s.

A senior will be pick 3 out of every 8 tries, or a little under 40%. (3 divided by 8)

Answer 4

300 chances 4 seniors: 300 chances 4 juniors: and 200 chances for soph: use a ratio from there odds are 3 to 8 for senior: 3 to 8 for junior: and 2 to 8 for soph

Answer 5

100-3 300 800/450
150-2 300
200-1 200

Answer 6

I dont' know, but I think the info below is very important, sorry.
1100 tickets put in total.
300 of those, seniors, 300 of those juniors, and only 200 were softmores.

Answer 7

Is this elementary math?

100 * 3 = 300

150*2=300

200


300/(300+300+200) = 37.5% ?

Answer 8

Im really sorry, but this is my summer vacation and i cant really think. perhaps you should try to put this into the math section for detailed answers

6/450???

Answer 9

30,000/80,000