Suppose the birth weights of full-term babies are normally distributed with mean 3250 grams and standard deviation o=500 grams. Complete parts (a) through (c) below (a) Draw a normal curve with the parameters labeled. Choose the correct graph below. OA. OB. CECOD O C. O D. A A A A 2750 3750 3250 2250 3250 3250 4250 2250 4250 2750 3250 3750

Suppose the birth weights of full-term babies are normally distributed with mean 3250 grams and standard deviation o=500 grams. Complete parts (a) through (c) below (a) Draw a normal curve with the parameters labeled. Choose the correct graph below. OA. OB. CECOD O C. O D. A A A A 2750 3750 3250 2250 3250 3250 4250 2250 4250 2750 3250 3750

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

Suppose the birth weights of full-term babies are normally distributed with mean 3250 grams and standard deviation o= 500 grams. Complete parts (a) through (c) below.
(a) Draw a normal curve with the parameters labeled. Choose the correct graph below.
OA.
B.
A A
2750
3750
2250
3250
3250
4250
G
Q
Q
OC.
2250
3250
4250
X
Q
01
O D.
A
3250
2750
3750

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Follow-up Question

K
Suppose the birth weights of full-term babies are normally distributed with mean 3250 grams and standard deviation o=500 grams. Complete parts (a) through (c) below.
A.
A A A A
3250
3250
2750
3750
3750
2750
2250
4250
3250
4250
2250
3250
2250
(b) Shade the region that represents the proportion of full-term babies who weigh more than 4250 grams. Choose the correct graph below.
1
1
G
3250
4250
OB.
x
Q
OB.
2250
A
(c) Suppose the area under the normal curve to the right of X = 4250 is 0.0228. Provide an interpretation of this result. Select the correct choice below and fill in the answer box to complete your choice
(Type a whole number.)
OA. The probability is 0.0228 that the birth weight of a randomly chosen full-term baby in this population is more than
OB. The probability is 0.0228 that the birth weight of a randomly chosen full-term baby in this population is less than
2750
CECI
Q
3250
OC.
e
ΧΕ
OC.
3250
3750
4250
grams.
grams.
D.
G
x
D.
a

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Follow-up Question

**Normal Distribution of Birth Weights**

Suppose the birth weights of full-term babies are normally distributed with a mean of 3250 grams and a standard deviation of 500 grams. Complete parts (a) and (b) below:

**(a) Draw a normal curve with the parameters labeled. Choose the correct graph below:**

Options:
- **A.** Normal curve with the mean at 2250 and 1 standard deviation increments labeled (1750, 2250, 3250)
- **B.** Normal curve with the mean at 3750 and 1 standard deviation increments labeled (3250, 3750, 4250)
- **C.** Normal curve with the mean at 3250 and 1 standard deviation increments labeled (2250, 3250, 4250)
- **D.** Normal curve with the mean at 3250 and 1 standard deviation increments labeled (2750, 3250, 3750) - **Selected**

**Explanation:**
The correct graph for a normal distribution with a mean of 3250 grams and standard deviation of 500 grams will have the center at 3250, and marks at one standard deviation (2750, 3250, 3750).

**(b) Shade the region that represents the proportion of full-term babies who weigh more than 4250 grams. Choose the correct graph below:**

Options:
- **A.** Graph showing shaded area from 2250 to 3250
- **B.** Graph showing shaded area from 2750 to 3250
- **C.** Graph showing shaded area from 3250 to 4250
- **D.** Graph showing shaded area beyond 4250 - **Selected**

**Explanation:**
To show the proportion of babies weighing more than 4250 grams, the graph should show the area shaded to the right of 4250. This represents the tail of the distribution beyond this weight.

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