Thirty-five math majors, 65 music majors and 44 history majors are randomly selected from 585 math majors, 297 music majors and 437 history majors at the state university. What sampling technique is used?

Simple random should be the technique used

3-4

step-by-step explanation:

the answer is 3-4 because both 45 and 60 has a multiple of 15.

45/3=15

60/4=15

therefore the odds against selecting a red is 4-3

answer: all of the odd numbers were opened

the first person was the one that was opening all of the lockers. since one is odd, this causes all of the odd number lockers to be opened in the end.