Question

Let Z be a standard normal random variable and calculate the following probabilities, drawing pictures wherever appropriate. (Round your answers to four decimal places.) (a)    P(0 ≤ Z ≤ 2.56)

(b)    P(0 ≤ Z ≤ 2)

(c)    P(−2.20 ≤ Z ≤ 0)

(d)    P(−2.20 ≤ Z ≤ 2.20)

(e)    P(Z ≤ 1.02)

f)    P(−1.85 ≤ Z)

(g)    P(−1.20 ≤ Z ≤ 2.00) (h)    

P(1.02 ≤ Z ≤ 2.50)

(i)    P(1.20 ≤ Z)

(j)    P(|Z| ≤ 2.50)

Answer 1