During a single day at radio station WMZH, the probability that a particular song is played is 64%. What is the probability that this song will be played on exactly 0 days out of 5 days? Round your answer to the nearest thousandth.

The answer would be a

So don't take my word i'm not exactly a mathematical person but i would assume a. because while selling the soap every month you increase in sells so you would by 11 percent. the you would get the factor 0.89 which if i had to guess would be the monthly profit over 11 probably wrong tho

Where is the expression you want us to evaluate?