Can somebody plz use the diagram at the bottom to answer question 10 (only if u know how to do this) thx sm!
2 answers:
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Answer:
The point estimate for the proportion of 18-year-olds who have not graduated from high school in this city is 0.25.
Step-by-step explanation:
The point estimate is the sample proportion.
She draws a random sample of 80 18-year-olds in the city and finds that 20 of them have not graduated from high school.
This means that:
The point estimate for the proportion of 18-year-olds who have not graduated from high school in this city is 0.25.
Answer:
12x² + 11x + 2 = 0
Step-by-step explanation:
Given the roots are x = - and x = -
, then the corresponding factors are
(x + ) and (x +
) , that is
(3x + 2) and (4x + 1)
The equation is then the product of the factors
(3x + 2)(4x + 1) = 0 ← expand factors using FOIL
12x² + 11x + 2 = 0