1. Find the following probabilities for the standard normal random variable z.
a. P(z>1.37) b. P(z< -1.40) c. P(0.51 ≤ z ≤ 2.37) d. P(- 2.30 < z > 1.61)
(Round to three decimal places)

a. ?
b.?
c.?
d.?

2. . Find the area under the standard normal probability distribution between the following pairs of z - scores.
a. z=0 and z=2.00
b. z=0 and z=3.00
c. z=0 and z=1.00
d. z=0 and z=0.58

(Round to three decimal places)
a. the area under the standard normal probability distribution is?
b. the area under the standard normal probability distribution is?
c. the area under the standard normal probability distribution is? 
d. the area under the standard normal probability distribution is? 

3. Find the area under the standard normal probability distribution between the following pairs of z - scores.
a. z=0 and z=3.00
b. z=0 and z=1.00
c. z=0 and z=2.00
d. z=0 and z=0.62

(round to three decimal places)
a. the area under the standard normal probability distribution is?
b. the area under the standard normal probability distribution is? 
c. the area under the standard normal probability distribution is?
d. the area under the standard normal probability distribution is?

4. Find the following probability for the standard normal random variable z.
(Round to three decimal places)
P( - 2.5 ≤ z ≤ 2.5) =