Problem #3 (Total 8 points) Extra Credit 1 point Solve this problem on paper (make sure to have your name on upper right hand corner) This paper submission will also serve as the proof of your attendance in the exam. NO NEED TO WRITE THE ANSWERS FROM YOUR PAPER ON EXCEL SHEET, WE WILL GRADE THE PAPER Let X be a continuouis random variable for which the pdf is given as f(x)= { k[1-(x-3)^2]; 2x4 0; otherwise Find the value of K for which the above pdf f(x) is valid. For the hand written problem #3 (above), answer the question below (write on the paper) P(X-3)=?