2. Find the standart normal-curve area that lies
a) between z= -0.55 and z=0.55;
b) to...
2. Find the standart normal-curve area that lies
a) between z= -0.55 and z=0.55;
b) to the right of z =-1.59;
c) to the left of z=0.67;
d) between z=1.99 and z=2.37
(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
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 z such that 5.4% of the standard normal curve lies
to the right of z. (Round your answer to two decimal
places.)
z =
Find the z value such that 83% of the standard normal
curve lies between −z and z. (Round your answer
to two decimal places.)
z =
Thickness measurements of ancient prehistoric Native American
pot shards discovered in a Hopi village are approximately normally
distributed, with a mean of 5.1 millimeters (mm) and a standard
deviation...
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.