2. The prevalence of a trait is 76.8%. In a simple random sample of n = 50, how many individuals are expected to exhibit this characteristic and what is the corresponding standard deviation of this estimate?

answe

its a

step-by-step explanation:

true

step-by-step explanation:

what grade level is this? need to know so i can look in my old textbooks!

34.5 cm

step-by-step explanation:

generally for a circular segment of angle, θ° and radius r

arc length

= (θ/360) x circumference

= (θ/360) x 2πr

in our case, θ = 60°, π=3.142 and r = 33 cm

substitute into above formula

arc length

= (60/360) x 2(3.142)( 33) = 34.5 cm

okay..i will pick 8!