PLEASE PLEASE HELP need to get an A
Use the chart below. In a given week, what is the probability that more than 300 CD's sell?

Number of top 10 CDs Sold Each Week
0-100 101-200 201-300 301-400 401-500
0.1 0.15 0.4 0.25 0.1
a) 0.40
b) 0.25
c) 0.75
d) 0.35