If vector v = ( 9 ) find -v and 3v
-6

When you answer this can you explain

If x = -2, then x 2-7x+10 equals a. 0 b.20 c.28

Given a binomial distribution variable with n=20 and p=0.60 find the following possibilities using the binomial table a) p(x < 13) b) p x > 15) c) p(x = 17) d) p(11 < x < 14) e) p(11 < x < 14)