Answer: The size of sample is 50
Step-by-step explanation:
Since we have given that
Variance of a sample was reported = 144
Variance of population was reported = 7200
Let the sample size be 'n'.
As we know the formula for "Variance of a sample":
Hence, the size of sample is 50.
Answer:
I can't decide
Step-by-step explanation:
Answer: $713.7
Step-by-step explanation:
First, multiply the original price by the percentage ( In this case, 549 x .30)
Now your sum is $164.7 Add that to the original price and you get your answer.
I think its i think its 60n
Answer:
.45
Step-by-step explanation:
52+31=83
83-12=71
71+23=94
94=49=45