Answer:
750 total people
Step-by-step explanation:
25 to 50 = 1/2
So: 250 x 2 = 500 men
500 + 250 = 750 total
black socks = 36
total socks 48
apple's = 6
strawberry sweets = 72
2nd class = 24
total stamps = 42
Dylan = 75
total student 1900
II) randomization helps avoid blas