The correct answer is:
D) Jeffery's conclusion is not valid because the sample was biased since all of the students were eighth grade students.
Answer:
the first one
Step-by-step explanation:
Answer:
1/256
Step-by-step explanation:


=> 1/256
Answer:
An equilateral triangle has all three sides equal, and all three interior angles equal, too. In this case, each interior angle of an equilateral triangle is 60 degrees.
Step-by-step explanation:
Answer:
Point Y is the center of the circle that passes through points D, E, and F.
Step-by-step explanation: