Statistical Analysis:
Hints

Assignment Hints

  1. mean = sum x*p(x)
    variance = sum(x-mean)^2*p(x)
  2. a. p(3)=(6C3)(2C0) / (8C3)
    b. 1-p(3)
  3. p(x<5|m=2)
  4. a. p(0), p(1), p(2), p(3)
    b. 1-p(0)
  5. Let n = 34, and π = 29/34 = 0.8529
  1. z1 = cost-mean / standard deviation
    z2 = cost-mean / standard deviation
  2. a. z=1.50
    b. -.50
    c. .5 – part b
  3. Find P(X < 5 )
  4. a. P (x ≥ 30), find the mean and standard deviation first
    b. P (x ≤ 40)
    c. P (30 ≤ x ≤ 40)
  5. a. multiply the mission times the probability of disaster
    b. P (x ≥ 1), find the mean and standard deviation first