Answer: = 
Step-by-step explanation:
The confidence interval for population proportion(p) is given by :-
(1)
It is also written as :
(*)
The given confidence interval for population proportion :
(2)
Comparing (1) and (2) , we get
Lower limit =
(3)
Upper limit =
(4)
Adding (3) and (4) , we get

Put value of
in (2) , we get

Put values of
and E= 0.111 in (*) , we get
Required form = 
Answer:
57
Step-by-step explanation:
x = 6
10x - 3
10(6) - 3
60 - 3
57
(square root of 72) = square root of (36 times 2)
That's the same as (square root of 36) times (square root of 2).
But the square root of 36 is 6 .
So the square root of 72 is (6) times (square root of 2) .