Answer: 5
Step-by-step explanation:
We know that the standard deviation of the sampling distribution of the means is given by :_
Given : The average weekly earnings for employees in general automotive repair shops is.
The standard deviation for the weekly earnings for such employees =
Now, the standard deviation of the sampling distribution of the means of average weekly earnings for samples of size:-
Hence, the standard deviation of the sampling distribution of the means of average weekly earnings for samples of size 100 = 5
Answer:
Step-by-step explanation:
B. 10010 million
C. 100100
Answer:
Therefore there were 43,872 cell phone subscribers in Centerville in 1994.
Step-by-step explanation:
Given that, in 1985 , the number of cell phone sub subscribers was 285 in the small town Centerville.
The number of subscribers increased by 75 % per year after 1985.
The number of subscribers increased per year, to find the number of subscriber we have to use compound formula.
Here A = ?
P= 285
r= 75%
n=(1994-1985) year= 9 year
≈43,872
Therefore there were 43,872 cell phone subscribers in Centerville in 1994.
Answer:
Alright, lets get started.
The volume of tank is given as 26.
When the tank is filled with 85 marbles, 20.9 liters of water required to fill the tank.
So the volume of 85 marble =
So, volume of each marble =
So, if William wants to use 200 marbles, the volume that will cover :
So, in 26 liters of tank, marbles will take volume =
So, water will be required to fill the tank =
hence 14 liters of water is required to fill the tank. : Answer
Hope it will help :)
Step-by-step explanation: