Answer:
A 95% confidence interval is a range of values that you can be 95% certain contains the true mean of the population. ... The 95% confidence interval defines a range of values that you can be 95% certain contains the population mean.
Step-by-step explanation:
hope that helps
Divide 400 / 8000 = .05 Then you multiply .05 x 100 to get the percentage, which equals to 5%
2(x+4)=16
multiply the bracket by 2
(2)(x)=2x
(2)(4)=8
2x+8=16
move 8 to the other side, sign changes from +8 to -8
2x+8-8=16-8
2x=16-8
2x=8
divide both sides by 2 to get x by itself
2x/2=8/2
Answer:
x=4
The coefficients corresponding to k = 0, 1, 2, ..., 5 in the
expansion of (x + y)^5 are 1, 5 , 10 , 10, 5, 1. The coefficients can be solve
using manual expansion of the term of using combination:
<span>nCr-1, where n is the power and r is the desired
therm,</span>