At a particular point in time the stock market took big swings up and down A survey of 997 adult investors asked how often they tracked their portfolio The table shows the investor responses What is the probability that an adult investor tracks his or her portfolio daily Express your answer as a simplified fraction and as a decimal rounded to three decimal places How frequently Response D Couple times a year Don t track A Daily Weekly Monthly B 997 284 997 0 280 0 285 240 284 279 144 50