Pease help for 2 questions. It my final.

The first one is marked in red for the question that i need answered. And the second one is posted.

Details Compute the following for n - 7 and k = 5 : i. pn k ii. CR How many different ways are there to select a group of 5 out of 7 people for a survey? ? Question Help: Message instructorFill out the table: (Round the answers to 2 decimal places) T C- C (I - I) - y (y - y)2 (I - I) (y - y) -1.5 2.25 0.5 0.25 0.75 4 1.5 2.25 0.5 0.25 0.75 y = SII = 4.5 Suy 0.5 1.50 Enter an integer or decimal number [more..]