In order to spice up your investment portfolio you decided on the morning of March 19 2004 to ignore your broker s cautious advice and purchase three tech stocks and two non tech stocks at random from the following selection prices as of March 19 2004 recommended by your best friend Tech Stocks Change Non Tech Stocks 0 07 PENN Penn Gaming NY Nortel MSFT Microsoft CSCO Cisco NOK Nokia INTC Intel EBAY eBay Open 5 46 24 89 23 17 20 77 27 20 69 34 0 26 0 67 0 75 0 71 1 04 DUK Duke KSE Keyspan ED Con Ed MO Altria Group AACE Ace Cash Express Open 27 09 22 04 37 75 44 51 55 04 27 09 Change 0 71 0 01 0 18 0 39 0 37 0 49 a 1 point How many possible selections are possible b 2 points You tend to have bad luck with stocks they usually go down the moment you buy them How many of the selections in part a consist only of stocks that declined in value by the end of the day What is the probability that all of your stocks declined in value by the end of the day