The size of the sample should be obtained at 2401 in order to be 95% confident
Given that:
Margi of error, 
Population proportion, 
To Find: The size of the sample that should be obtained in order to be 95% confident
Let the size of the sample be n
Using formula,

Therefore, the size of the sample should be obtained at 2401 in order to be 95% confident
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Answer:
The value of n is 1
Step-by-step explanation:
Given the expression 
In other to solve for n we have to perform a series of step wise operations as follows
collecting like terms we have


The negative signs will council out on both sides we have

Dividing both sides by 2 we have
n= 

9 meter
Step-by-step explanation:
attached to the top
If you want to multiply 4 4/9 by 2 2/3, you can calculate this using the following steps:
4 4/9 * 2 2/3 = 40/9 * 8/3 = 320/27 = 11 23/27
The result is 11 23/27.
The surface are of a rectangular prism is:
A=2(xy+xz+yz), where x,y, and z are the dimensions of the prism, in this case:
A=2(4*6+4*8+6*8)
A=2(24+32+48)
A=2(104)
A=208 cm^2