Answer:
5*4=$20
Step-by-step explanation:
20% is a fifth, thus just multiply by 5
Answer:
(4225/4)pi units^2
Step-by-step explanation:
So we need to know the area of a circle formula to find the answer to this question
the formula is A = r^2(pi)
So we have the diameter but we need the radius. The radius is half the diameter so r = 65/2
Now we can plug the radius into the area formula
(65/2)^2*pi =
(4225/4)pi units^2
We have that the sample consist in n=13 students. The percentile formula is given by
where x denotes the percentaje. In the first case, p=38, then, we have
then, we get
that is, P_38 corresponds to 41 miles driven.
In the second case, by substituting x=60 in our formula, we get
which gives
that is, P_60 corresponds to 56 miles driven.
Then, the answers are:
This means that approximately 38% of the data lie below 41, when the data are ranked.
This means that approximately 60% of the data lie below 56, when the data are ranked.
Answer:
the original population was 425
Step-by-step explanation:
8(-1/4)-(3)2-3=-2-6-3=-11