Please do number 4. Please use R programming.

Question 4) B is a 10 x 10 identity matrix. Replace the third row of B with (X1, ..., X10). Question 5) Let C be a 3 x 3 matrix given by 0.2 0.3 0.5 0.4 0.2 0.4 0.1 0.7 0.2 Compute C10 Question 6) X takes a value of 2 with probability 0.5 and -2 with probability 0.5. Randomly generate X. W W for