=Math Question=== Extra Points The histogram above shows the frequency for the weights newborns at a local hospital. Which of the given percents approximates the proportion of newborns weighing no less than 2 lbs and no more than 4 lbs?

a-7%

b-11%

c-15%

d-20%

is this part of a question or something

the answer will be b x² +x-1

step-by-step explanation:

step-by-step explanation :

we know that

the measurement of the outer angle is the semi-difference of the arcs which comprises

in this problem

m< xzy is the outer angle

substitute the values

the measure of angle xoy is equal to

> by central angle

substitute the value

the arc length is found by finding the circumference of the full circle (2xpixradius) and then dividing by 4 to find just one quarter of the circle (90 degrees).