Question: Insider trading in the stock market is the buying and selling of a stock by an individual privy to inside information in a company, usually a high-level executive in the company. The SEC imposes strict guidelines about insider trading so that all investors can have equal access to information that may affect the stock's price. An investor wishing to test the effectiveness of the SEC guidelines monitors the market for a period of a year and records the number of times a stock price increases the day following a significant purchase of stock by an insider. If the insider purchase has no effect on the stock price (that is, the information available to the insider is identical to that available to the general market), then the investor expects the probability of a stock increase to be the same as that of a decrease, or \[p\] = 0.5. For a total of 576 such transactions, the stock increased the following day 327 times. Does this sample provide evidence that the stock price may increase due to insider trading. Test at a 5% significance level. Assume all requirements are met.