Question

Sports science researchers determined that, for those people who skateboard, 22% have never had an injury, 45% have had one injury, 18% have had two injuries, and 15% have had three or more injuries. What is the probability that a randomly chosen skateboarder has had at least one injury?
0.22
0.45
0.50
0.78

Answer 1

Answer: D) 0.78

Step-by-step explanation:

Add all the given probabilities to find the answer:

45/100 + 18/100 + 15/100 = 78/100 = 78% or 0.78