tom picked 10 beads from the bag and recorded his results below:
red:2
blue:2
yellow:5
purple:1
if the bag contained 75 beads, how many of the following beads should you pick from the bag? (use the theoretical probability)

Question

tom picked 10 beads from the bag and recorded his results below:
red:2
blue:2
yellow:5 
purple:1
 if the bag contained 75 beads, how many of the following beads should you pick from the bag? (use the theoretical probability)

anonymous · Answer

2/10 beads were red so  1/5 are red    1/5 * 75 = 15 reds

2/10 beads were blue so  1/5 are blue   1/5*75 = 15 blues

5/10 beads were yellow so 1/2 are yellow   1/2 * 75 =  37.5  so either 37 or 38 yellow

1/10 beads were purple so 1/10 are purple   1/10 * 75 =  7.5   so either 7 or 8 purple

anonymous · Answer

thank you soososososo much(: