10. 1990s Internet Stock Boom According to an article, 13.1% of Internet stocks that entered the market in 1999 ended up trading below their initial offering prices. If you were an investor who purchased five Internet stocks at their initial offering prices, what was the probability that at least four of them would end up trading at or above their initial offering price? (Round your answer to four decimal places.)

11.Manufacturing Your manufacturing plant produces air bags, and it is known that 30% of them are defective. Five air bags are tested. (a) Find the probability that two of them are defective. (Round your answer to four decimal places.)

a)P(X = 2) =0.3087

(b) Find the probability that at least two of them are defective. (Round your answer to four decimal places.)

P(X 2) =

HELP WITH PART B PLEASEE