(a) Given a standard normal distribution, find the area under
the curve that lies between
z = −0.48 and z = 1.74.
(b) Find the value of z if the area under a standard normal
curve between 0 and z, with
z > 0, is 0.4838.
(c) Given a normal distribution with μ = 30 and σ = 6, find the
two values of x that
contains the middle 75% of the normal curve area.
Determine the area under the standard normal curve that lies to
the left of (a) Z equals 0.19 Z=0.19,
(b) Z equals negative 0.85 Z=−0.85,
(c) Z equals negative 0.04 Z=−0.04,
and (d) Z equals 1.22 Z=1.22.
Given a standard normal distribution, find the area under the
curve that lies (a) to the right of z=1.25; (b) to the left of z=
-0.4; (c) to the left of z= 0.8; (d) between z=0.4 and z=1.3; (e)
between z= -0.3 and z= 0.9; and (f) outside z= -1.5 to z= 1.5.
Determine the area under the standard normal curve that lies
between:
a. z= -.31 and z=1.61
b. z=-2.01 and z=.26
c. z=-1.20 and z=2.11
d. z=1.92 and z=2.43
Find the value of za
a. z.56=
b. Z.23=
c. Z.81=
d. Z.06=
Find the z-score such that the area under the standard normal
curve to the left is 0.61.
________is the z-score such that the area under the curve to
the left is 0.61.
(Round to two decimal places as needed.)