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 ≤ 2.33)


(b)    P(0 ≤ Z ≤ 2)


(c)    

P(−2.70 ≤ Z ≤ 0)

(d)    

P(−2.70 ≤ Z ≤ 2.70)

(e)    P(Z ≤ 1.93)


(f)    

P(−1.45 ≤ Z)

(g)    

P(−1.70 ≤ Z ≤ 2.00)

(h)    P(1.93 ≤ Z ≤ 2.50)


(i)    P(1.70 ≤ Z)


(j)    P(|Z| ≤ 2.50)

Answer 1