3) Alexander is a stockbroker. He earns 12% commission each week. Last week, he sold $6,400 worth of stocks. How much did he make last week in commission? (if you answer this may you please show your work)

Suppose i pick a jelly bean at random from a box containing one red and eleven blue ones. i record the color and put the jelly bean back in the box. if i do this three times, what is the probability of getting a blue jelly bean each time? (round your answer to three decimal places.)