Suppose all left-handed people are excluded from a sample. what is this an example of? a. selection bias b. response bias c. nonresponse bias d. nonselection bias

A . selection bias

Step-by-step explanation:

step-by-step explanation:

answer: the angel abc is 30°,and the abc is a triangle where the angel bac is 90°

so ac is the half of 24=12ft,and from the pythagorean theorem we find ba

ba=√bc^2-ac^2=√576-144=√432=12√3ft

so bac is 12+12√3=12(1+√3)ft