The ratio being 0.55 means 55% of students voted for the person who ended up winning. If there were 40 people who voted, just find 55% of 40.
This is done by 0.55 • 40, which equals 22.
So 22 students voted for the person who ended up winning.
Answer:
D)the time (in hours) a 4-year-old spends unsupervised per day
Step-by-step explanation:
Given that 4-year-olds in a certain country average 3 hours a day unsupervised and that most of the unsupervised children live in rural areas, considered safe
X - the time (in hours) a 4-year-old spends unsupervised per day
X is N(3,1.8)

Answer:
48390,"37,520","65,810",2170 or 2180 (both will work)
Answer with Step-by-step explanation:
We are given that

Where t corresponds to the year 2000=0
a.
Substitute the values


b.In 2004
t=4


c.In 2013
t=13

Answer:
The father is 75 years old
Step-by-step explanation:
30-5=25 years (sons age)
25×3=75 years old (father)