Answer:
The sample should be as large as 480
Step-by-step explanation:
Probability of having a flu, p = 43/334
p = 0.129
Margin Error, E = 0.03
Confidence Interval, CI= 95%
At a CI of 95%,
The sample size can be given by the relation:
Answer:
167.47 cubic metres
Step-by-step explanation:
Volume of a cone is given by where r is radius and h is the height of the cone. Assuming a radius of 4m and height of 10 m then the volume, using 3.14 for will be
V=
Answer:
B. Rotation
Step-by-step explanation:
The letter I is symmetrical both ways so the answer is I
Answer:
5(x-4y) or 5x-20y
Step-by-step explanation:
4(2x-5y)-3x
8x-20y-3x
Subtracting 8 and 3
5x-20y