Suppose that an alien lands on earth, notices that there are two different gendersof the human species, and sets out to estimate the proportion of human beings who are female. Suppose that the alien chooses the members of the 1998 U. S. House of Representatives as its sample of human beings. a.Use the information that 53 Representatives are female and 382 are male to estimate the proportion of humans who are female. b. Construct & interpret a 95% CI for the proportion of female humans. (Z*= 1.96)

step-by-step explanation:

if u want da anser kill your teeser ifu hav wun

b: |12 – x| ≤ 0.25

step-by-step explanation:      

let x be the possible lengths in inches, of the ribbons jaime cut.

we have been given that jaime is cutting strips of ribbon for a project. he tries to cut each piece to be 12 inches long, but sometimes he cuts it too long or too short by as much as 0.25 inch.  

we can represent this information in an inequality as:

by the definition of absolute value function we will get,

upon combining our inequalities we will get,

therefore, the inequality   describes all the possible lengths (x), in inches, of the ribbons jaime cut.

step-by-step explanation:

the answer is  

a.

4,624π mm2

step-by-step explanation:

let's call the solutions x₁ = (5 - 2√7)/3 and x₂ = (5 + 2√7)/3

then the equation is (x-x₁)(x-x₂) = 0

if you fill that in you get a lot of numbers which you can recognize as ax²+bx+c=0.

step-by-step explanation:

you can see that a=1 (there is just an x²)

b = (-5 -2√7 + 2√7 - 5)/3 = -10/3

c = -2√7)/3 ) * (-5+2√7)/3) = -1/3

so your answer is 3x^2 – 10x – 1 = 0