1. A pair of fair dice is rolled, and the sum of their faces is recorded. The probabilities of each sum are recorded in the table below. Answer the questions that follow. If you do it by hand, show...

Please find standard deviation

Extracted text: 1. A pair of fair dice is rolled, and the sum of their faces is recorded. The probabilities of each sum are recorded in the table below. Answer the questions that follow. If you do it by hand, show all your work here. If you use Excel, make sure you include a screenshot of your work here. 5 6 7 3 10 |1 3 4 8 12 Р'X-х) | 1/36 1/18 1/12 1/9 5/36 1/6 5/36 1/9 1/12 1/18 1/36 2.


Extracted text: d. Calculate the standard deviation of X.