The class I'm taking is statistics!I am completely stuck. Need help. I have attached the problem. Please view attachment before answering. I need help with part C. thank you in advance! Babies born weighing 2500 grams (about 5.5 pounds) or less are called low-birth-weight babies, and this condition sometimesindicates health problems for the infant. The mean birth weight for children born in a certain country is about 3494 grams (about7.7 pounds). The mean birth weight for babies born one month early is 2632 grams. Suppose both standard deviations are 490grams. Also assume that the distribution of birth weights is roughly unimodal and symmetric. Complete parts a through c below....a. Find the standardized score (z-score), relative to all births in the country, for a baby with a birth weight of 2500grams.z = -2.03 (Round to two decimal places as needed.)b. Find the standardized score for a birth weight of 2500 grams for a child born one month early, using 2632 as the mean.z = -0.27 (Round to two decimal places as needed.)c. For which group is a birth weight of 2500 grams more common? Explain what that implies. Unusual z-scores are far from 0.Choose the correct answer below.A. A birth weight of 2500 grams is more common for all births in the country. This makes sense because thegroup of all births in the country is much larger than the group of births that are one month early. Therefore,more babies will have low birth weights among all births in the countryB. A birth weight of 2500 grams is more common for babies born one month early. This makes sense becausebabies gain weight during gestation, and babies born one month early had less time to gain weight.C. A birth weight of 2500 is equally as common to both groups.D. It cannot be determined to which group a birth weight of 2500 grams is more common.

The given z-scores are z=-2.03,z=-0.27.

c. For which group is a birth weight of 2500 grams more common? Explain what that implies. Unusual z-scores are far from 0. Choose the correct answer below. OA. A birth weight of 2500 grams is more common for all births in the country. This makes sense because the group of all births in the country is much larger than the group of births that are one month early. Therefore, more babies will have low birth weights among all births in the country B. A birth weight of 2500 grams is more common for babies born one month early. This makes sense because babies gain weight during gestation, and babies born one month early had less time to gain weight. C. A birth weight of 2500 is equally as common to both groups. D. It cannot be determined to which group a birth weight of 2500 grams is more common.

c. For which group is a birth weight of 2500 grams more common? Explain what that implies. Unusual z-scores are far from 0. Choose the correct answer below. OA. A birth weight of 2500 grams is more common for all births in the country. This makes sense because the group of all births in the country is much larger than the group of births that are one month early. Therefore, more babies will have low birth weights among all births in the country B. A birth weight of 2500 grams is more common for babies born one month early. This makes sense because babies gain weight during gestation, and babies born one month early had less time to gain weight. C. A birth weight of 2500 is equally as common to both groups. D. It cannot be determined to which group a birth weight of 2500 grams is more common.

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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The class I'm taking is statistics!

I am completely stuck. Need help. I have attached the problem. Please view attachment before answering. I need help with part C. thank you in advance!

Babies born weighing 2500 grams (about 5.5 pounds) or less are called low-birth-weight babies, and this condition sometimes
indicates health problems for the infant. The mean birth weight for children born in a certain country is about 3494 grams (about
7.7 pounds). The mean birth weight for babies born one month early is 2632 grams. Suppose both standard deviations are 490
grams. Also assume that the distribution of birth weights is roughly unimodal and symmetric. Complete parts a through c below.
...
a. Find the standardized score (z-score), relative to all births in the country, for a baby with a birth weight of 2500
grams.
z = -2.03 (Round to two decimal places as needed.)
b. Find the standardized score for a birth weight of 2500 grams for a child born one month early, using 2632 as the mean.
z = -0.27 (Round to two decimal places as needed.)
c. For which group is a birth weight of 2500 grams more common? Explain what that implies. Unusual z-scores are far from 0.
Choose the correct answer below.
A. A birth weight of 2500 grams is more common for all births in the country. This makes sense because the
group of all births in the country is much larger than the group of births that are one month early. Therefore,
more babies will have low birth weights among all births in the country
B. A birth weight of 2500 grams is more common for babies born one month early. This makes sense because
babies gain weight during gestation, and babies born one month early had less time to gain weight.
C. A birth weight of 2500 is equally as common to both groups.
D. It cannot be determined to which group a birth weight of 2500 grams is more common.

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