An investor scanned the daily summary of the stock market in the Wall Street Journal. She found 12 stocks whose return exceeded the return on the market that day. The one-sample 95% t-interval based...

An investor scanned the daily summary of the stock market in the Wall Street Journal. She found 12 stocks whose return exceeded the return on the market that day. The one-sample 95% t-interval based on these data does not include zero. She concluded, “It’s easy to find a stock that beats the returns on the market.” Do you agree with her analysis or conclusion? Why or why not?