Yo i just need an answer and explanation for one and i'll be good for the rest

Answer:
1/5
Step-by-step explanation:
4 red + 4 yellow + 2 blue = 10 in total
2 blue out of all the colors = 2/10
2/10 simplified = 1/5
Answer:
20% or 2/10
Step-by-step explanation:
Since there are 10 slots, and two of them are blue, for each spin there will be a 2/10 chance that the arrow will land on a blue slot.