<span>11/29/2017QQuiz 2: Supporting Speeches11/29/2017</span><span>QQuiz 2: Supporting Speeches11/29/2017</span><span>QQuiz 2: Supporting Speeches</span>
The best way to randomly choose the 100 families would be to allow a random number generator to come up with 100 families within a 50 radius of the amusement park.
Using this method would ensure that it is more randomised & not limited to people who come at a specific time or are in a specific area as well as it not be affected by subconscious bias of people when selecting people to survey.
Answer is b because angle BPD is greater than 90 degree