# Probability models Your stockbroker has a 65 percent probability of success in picking stocks that appreciate?

Your stockbroker has a 65 percent probability of success in picking stocks that appreciate. You are
investing in 20 securities that he has suggested. Calculate the probability that 9,10, or 11 stocks will appreciate; that fewer than 14 will appreciate. Calculate the mean and the standard deviation of the number of...
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Your stockbroker has a 65 percent probability of success in picking stocks that appreciate. You are

investing in 20 securities that he has suggested. Calculate the probability that 9,10, or 11 stocks will appreciate; that fewer than 14 will appreciate. Calculate the mean and the standard deviation of the number of stock that will appreciate. State the assumptions that allowed you to make these calculations.

investing in 20 securities that he has suggested. Calculate the probability that 9,10, or 11 stocks will appreciate; that fewer than 14 will appreciate. Calculate the mean and the standard deviation of the number of stock that will appreciate. State the assumptions that allowed you to make these calculations.

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