Which data collections show bias? check all that apply. ten numbered tickets were selected from a bowl containing all raffle tickets sold. a bank asked its 25 wealthiest customers to complete a satisfaction survey. fifth graders were asked what desserts should be served with school lunches. every tenth semi-trailer was pulled over and weighed at the state border. college students at the honors library were asked who they voted for in the last election.

the correct option is 2.

step-by-step explanation:

according to the given information triangle abc is a right angle triangle with right angle at a. segment ab is 5 and segment ac is 7. point d is on segment bc and angles adb and adc are right angles.

it is given that triangles abd, cad, and cba are similar.

two triangles are similar if their corresponding sides are proportional.

in triangle cba, using pythagoras theorem

                      )

triangle abd and cba are similar,

                            (2)

triangle cad and cba are similar,

                      )

using (1), (2) and (3), we get

hence proved.

therefore option 2 is correct.

definitely a. the others have almost all data points on one side of the line.

step-by-step explanation:

2/3

step-by-step explanation:

there is nothing below so i cannot

step-by-step explanation: