Explanation:
do you have a chart
to find probability is to add up all the numbers on the chart or the question that have been ask
when the question ask "draw or chance" you do this
example: Jack has 7red marbles 4 green, 2 yellow and 5 grey in a bag what is the chance of him pulling out 7 red marbles?
Well you would add up every number you see there
7+4+2+5=18
the question what is the chance the chance is the number over the amount of marbles that are in the bag
answer= 7/18