Recent content by Kisa30

  1. K

    Solving Probability: P(S<0), P(S=0), P(S>0)

    Homework Statement let x be a random variable with P(X=-1) = 1/4 P(X=0) = 1/4 P(X=1) = 1/2 Let S be the sum of 25 independent random variables each with the same distribution as X. Calculate approximately a) P(S<0) b) P(S=0) c) P(S>0) Homework Equations Quite possibly the...
  2. K

    Linear Algebra: Projection onto a subspace

    Apparently the problem is that it's not orthogonal.
  3. K

    Linear Algebra: Projection onto a subspace

    I don't think it's important, no. =)
  4. K

    Linear Algebra: Projection onto a subspace

    Homework Statement That is the question. The answer on the bottom is incorrect Homework Equations I believe that is the formula that is supposed to be used. The Attempt at a Solution All I really did was plug in the equation into the formula but there is something I am...