Answer:
900
Step-by-step explanation:
A candidate got 82%votes.
Loosing candidate get=(100-82)=18%
Difference between two votes.
=(82-18)%=64%
Let be the Total vote is=x.
64% of the total vote=576




∴The total votes that were polled are 900.
The formula for the confidence interval is given by
Sample mean + z*[σ/√n], and
Sample mean - z*[σ/√n]
We have:
Sample mean = 23.95
n = 40
σ = 2.55
z* for 99% confidence = 2.58
Substitute these values into the formula, we have
23.95 + (2.58)(2.55÷√40) = 24.99
23.95 - (2.58)(2.55÷√40) = 22.91
So the lower interval is 22.91 and the highest interval is 24.99
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Answer:
x= -8 , x=5
Step-by-step explanation:
2x^2+6x-80=0
x^2+3x-40=0
look for 2 numbers that their:
sum = 3
product = -40
(x+8)(x-5)=0
thus
x= -8 , x=5 (ANS)
Answer:
5.38516480713
Step-by-step explanation:
I hope this helps.