A consumer surveys 49 televisions. 80% cost between $250.00 and $350.00. The administrator decides to calculate a 95% confidence interval for this proportion.

Standard error =

The estimate is
%. The reliability factor is
The standard error is (to nearest hundredth)
The confidence interval is from 68% to 92% (to the nearest percent). Put an x in the box.
true
false

umumumumum

im not sure

(2x + 16) + (x) = 180

step-by-step explanation:

given,

abcd is a quadrilateral inscribed in a circle

angle a is labeled x plus 16, (x + 16)

angle b is labeled x degrees, (x)

angle c is labeled 6x minus 4, (6x – 4)

angle d is labeled 2x plus 16, (2x + 16)

what equation can be used to solve for angle b?

we know that the sum of the opposite angles of a simple quadrilateral inscribed in a circle is 180 degrees.

angle b is opposite angle d

therefore, angle b + angle d = 180

(x) + (2x + 16) = 180 

same as (2x + 16) + (x) = 180