Answer:
12
Step-by-step explanation:
hope it helps
Answer:
yes
Step-by-step explanation:
42/54 = 6*7/6*9 = 7/9
7/9 = 42/54
Answer: x= 1/54
Explained: easy mental math :p
Answer:
Sample proportion ; phat
x / n
Step-by-step explanation:
The sample proportion may be explained as a proportional representation of part of the population or larger sample which have a certain character or exhibit a particular trait.
The sample proportion is expressed Mathematically as ;
phat = x / n
x = number of subjects with a specified characteristic ;
n = total sample size
For instance ;
The proportion of black balls in a sample of 100 balls is 15 ; the sample proportion of bla k balls will be :
phat = x / n = 15 / 100 = 0.15
39.58 and this is because the radius is half of the diameter so the diameter can be though of as 2r. The formula is C= 2pi r