Question

1- Find the area under the standard normal curve between z=0.76
and z=1.90.

Round your answer to four decimal places.

2- Find the area under the standard normal curve between z=-2.49
and z=-0.44.

Round your answer to four decimal places.

3- Find the area under the standard normal curve between z=-2.26
and z=1.88.

Round your answer to four decimal places.

4- Find the area under the standard normal curve to the right of z=2.37.

Round your answer to four decimal places.

5- Let x be a continuous random variable that is normally
distributed with a mean of 65 and a standard deviation of 15. Find
the probability that x assumes a value less than 48.

Round your answer to four decimal places.

Answer #1

1

2

3

4

5.

mu = 65

sd = 15

P(X<48) = P( {x-mu}/sd < {48 - 65}/15 ) = P(Z < -1.33)
= **0.0912**

**again using normal distribution curve
**

**please upvote if the answer helped you**

Find the area under the standard normal curve between z=−0.88
and z=−0.78. Round your answer to four decimal places, if
necessary.

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 = 1.49 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 to the left of z = −1.34 is
Sketch the area under the standard normal curve over the
indicated interval...

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 = 0.51 is .
The area to the right of z = −1.23
is .
The area between z = 0 and z = −1.88
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...

a)Find the area under the standard normal curve between
z = -1.86 and z = 1.1, P(-1.86 <
z < 1.1). (Give your answer correct to four decimal
places.)
b)Find the area under the standard normal curve between
z = -2.53 and z = 1.4, P(-2.53 <
z < 1.4). (Give your answer correct to four decimal
places.)
c)Consider the normal curve. (Give your answers correct to four
decimal places.)
1) Find the area to the right of z =...

Sketch the area under the standard normal curve over the
indicated interval and find the specified area. (Enter a number.
Round your answer to four decimal places.)
The area between z = 0.44 and z = 1.81 is

Find the area under the standard normal curve that lies between
the following two z values. Round your answers to at least four
decimal places.
(a)Find the area under the standard normal curve that lies
between = z − 1.28 and = z 1.36 .
(b)Find the area under the standard normal curve that lies
between = z − 2.17 and = z − 1.92 .
(c)Find the area under the standard normal curve that lies
between = z 1.36...

1.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 = −1.44 is ____________
2 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___.
3.Sketch the area under the standard normal curve over the
indicated interval...

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 = −1.13 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 to the right of z = −2.15 is
.
Sketch the area under the standard normal curve over the...

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 = - 1.41 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 = 0.21 is
C- Sketch the area under the standard normal curve...

1)
a) Find the area under the Standard Normal Curve in-between z =
-0.59 and z = 2.86
Use the Normal table and give answer using 4 decimal places.
b) Find the area under the Standard Normal Curve in-between z =
-0.36 and z = 2.63
Use the Normal table and give answer using 4 decimal places.
c) Find P(z < 1.75)
Use the Normal table and give answer using 4 decimal places.

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