Question

Which one of the following is not a probability distribution?
(0.1,0.2,0.4,0.3)
(0.2,0.4,0.4,0.1)
(0.2,0.2,0.2,0.4)
(0.2, 0.8)

Answer 1

Answer:

Average velocity is the displacement of an object over time. To find the average speed of an object we divide the distance travelled by the time elapsed. We know that velocity is a vector quantity and average velocity can be found by dividing displacement by time.