question archive Suppose a particular stock follows the "random walk" model where on any given day there is a 0

Subject:StatisticsPrice: Bought3

Suppose a particular stock follows the "random walk" model where on any given day there is a 0.23 chance that the stock will go up. If the closing price of the stock doesn't affect the next day's behaviour, and you monitor the stock for ten consecutive days, what is the probability that the stock will increase on between 4 and 6 days (to two decimal places)?