Astudy of an association between which ear is used for cell phone calls and whether the subject is left-handed or right-handed began with a survey e-mailed to 5000 people belonging to an otology online group, and 717 surveys were returned. (otology relates to the ear and hearing.) what percentage of the 5000 surveys were returned? does that response rate appear to be low? in general, what is a problem with a very low response rate?

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step-by-step explanation:

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arc length = 6.63311 ft.

step-by-step explanation:

the formula the arc measure is:

arc length s=2πr(c)/360

where:

c   is the central angle of the arc in degrees

r   is the radius of the arc

π   is pi, approximately 3.142

using the above formula we get

s =

thus we find that arc length of an arc for a circle of radius 20 feet and central angle 19 degrees is

6.63311 feet

doubled

step-by-step explanation:

if you are factoring then 4(x+3)

if you are simplifying 4x+12

step-by-step explanation: