Might be misleading because the commercial says only "80% of dentists use this" instead of saying "100% of dentists use this", but I do like that it's being honest! :-)
P(5 on one throw) = 1/8
expected number of 5's in 400 throws = 1/8 * 400 = 50
Answer:
y=6
Step-by-step explanation:
Answer:
A
Step-by-step explanation:
a/b;
2/1=2;
5/4=1.25
that's why we can write it this way: 1.25 < a/b < 2
means the answer is A
Answer:
0.5kg
Step-by-step explanation:
5kg/2=2.5kg
2.5kg/5=0.5kg
