The data set for ice cream sales given out in class last week was as follows: Month Number X Temperature Y Ice Cream Sales 1 41 386 2 56 374 3 63 393 4 68 425 5 69 406 6 65 344 7 61 327 8 47 288 9 32 What is the probability that they wi a) 0.794 b) 0.821 c) 0.756 d) 0.708