Step-by-step explanation:
........ .......... ....
we are given
now, we can factor out right side term
now, we can plug back
and we get
so,
.............Answer
Answer:
The answer is B 62
Step-by-step explanation:
I just divid 124 by 2
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
