The following data set represents the average day temperature in Orange County, Calif., for 2 0 days in December. Degrees ( in Fahrenheit ) 4 3 6 5 5 5 4 9 6 0 5 2 4 5 6 1 5 9 4 7 6 2 4 6 6 5 5 7 4 4 6 4 5 3 4 8 6 3 5 6 Find the probability that a randomly selected day will have an average temperature of at least 6 0 ℉ . ( 4 pts )