9. Terry is a typical investment advisor at BeatTheMarket.com. Each stock that Terry recommends outperforms the stock market average over the upcoming year with probability 0.5, independent of all other stocks and all other recommendations he or any other advisor makes.
(a) You ask Terry to pick 100 different stocks. What’s the probability that 60 or more of the stocks he recommends will outperform the stock market average over the next year. (Use normal approximation)
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