The expected number of heads seen in 12 flips is 8 heads seen
Answer:
x=3
Step-by-step explanation:
2x+2=8
2x=6
x=3
Answer:
16:12
Step-by-step explanation:
(4+12)=16
16/4 = 4
4x3=12
Another method:
4---------3
16-------x
Cross multiplication
4x=16x3
4x=48
x=12
Answer:
Can't guess whether you have written 'x' or you have put a sign of multiplication!!
