Find the area under the curve of the normal distribution that is
in the following interval:...
Find the area under the curve of the normal distribution that is
in the following interval: -2.95 < Z < -2.00 Enter this
answer as a number rounded to four digits after the decimal point.
Do not use words.
Solutions
Expert Solution
P[-2.95<Z<-2.00]
=0.0228-0.0016..................by using Z table.
=0.0212
Find the indicated area under the curve of the standard normal
distribution; then convert it to a percentage and fill in the
blank.
About ________% of the area is between z = -3.5 and z = 3.5
(or within 3.5 standard deviations of the mean).
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.
a) Sketch the area under the standard normal curve over the
indicated interval and find the specified area. (Round your answer
to four decimal places.)
The area to the left of
z = −0.41 is
b) Sketch the area under the standard normal curve over the
indicated interval and find the specified area. (Round your answer
to four decimal places.)
The area to the right of z = 1.62 is
c) Sketch the area under the standard normal curve over...
6. Find the area under the standard normal distribution curve.
a. To the right of Z= .42 b. To the left of Z= -.5 c. Between Z=
-.3 and Z= 1.2 8. The average annual salary of all US registered
nurses in 2012 is $65,000. Assume the distribution is normal and
the standard deviation is $4000. Find the probability that a random
selected registered nurse earns.
a. Greater than $75,000
b. Between $50,000 and $70,000.
Sketch the area under the standard normal curve over the
indicated interval and find the specified area. (Round your answer
to four decimal places.)
The area to the left of z = −1.35 is
The area to the left of z = 0.46 is
The area to the right of z = 1.41 is
The area to the right of z = −1.12 is
The area between z = 0 and z = 3.00 is
The area between z =...
Sketch the area under the standard normal curve over the
indicated interval and find the specified area. (Round your answer
to four decimal places.) The area to the right of z = −2.12 is
.
Sketch the area under the standard normal curve over the
indicated interval and find the specified area. (Round your answer
to four decimal places.)
The area between z = 0.44 and z =
1.94
The area between z = −1.46 and z =
2.10
The area between z = 1.42 and z =
2.21
The area between z = −2.44 and
z = −1.85
The area between z = −2.08 and
z = −0.13
Sketch the area under the standard normal curve over the
indicated interval and find the specified area. (Round your answer
to four decimal places.) The area between z = 0 and z = 2.49 is
a)Sketch the area under the standard normal
curve over the indicated interval and find the specified area.
(Round your answer to four decimal places.)
The area between
z = 1.34 and z = 2.29 is
b) Let z be a random variable with a
standard normal distribution. Find the indicated probability.
(Round your answer to four decimal places.)
P(z ≤ −2.14)=
Shade the corresponding area under the standard normal curve.
c) Let z be a random variable with a
standard...