According to a recent reporting on a standardized test, the average ERW (English, Reading, Writing) score for students in a particular state was 521. Assume the scores are Normally distributed with a standard deviation of 96. Answer parts a through c below including an appropriately labeled and shaded Normal curve for each part.

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According to a recent reporting on a standardized test, the average ERW (English, Reading, Writing) score for students in a particular state was 521. Assume the scores are Normally distributed with a standard deviation of 96.
Answer parts a through c below including an appropriately labeled and shaded Normal curve for each part.
a. What percentage of the ERW test takers from this state scored 500 or less? Select the correct graph below.
OA.
В.
500
500
233
521
809
233
521
809
D.
500
500
233
521
809
233
521
809
The percentage that scored 500 or less is
%.
(Round to one decimal place as needed.)
b. What percentage of the ERW test takers from this state scored between 500 and 644? Select the correct graph below.
OA.
В.
500
500,
644
644
233
521
809
233
521
809
Density
Density
Density
Density
Density
Density
Transcribed Image Text:According to a recent reporting on a standardized test, the average ERW (English, Reading, Writing) score for students in a particular state was 521. Assume the scores are Normally distributed with a standard deviation of 96. Answer parts a through c below including an appropriately labeled and shaded Normal curve for each part. a. What percentage of the ERW test takers from this state scored 500 or less? Select the correct graph below. OA. В. 500 500 233 521 809 233 521 809 D. 500 500 233 521 809 233 521 809 The percentage that scored 500 or less is %. (Round to one decimal place as needed.) b. What percentage of the ERW test takers from this state scored between 500 and 644? Select the correct graph below. OA. В. 500 500, 644 644 233 521 809 233 521 809 Density Density Density Density Density Density
According to a recent reporting on a standardized test, the average ERW (English, Reading, Writing) score for students in a particular state was 521. Assume the scores are Normally distributed with a standard deviation of 96.
Answer parts a through c below including an appropriately labeled and shaded Normal curve for each part.
500
500
644
644
233
521
809
233
521
809
The percentage that scored between 500 and 644 is
%.
(Round to one decimal place as needed.)
c. What ERW score would correspond with the 40th percentile in this state? Select the correct graph below.
O A.
Q
В.
40%|
40%
233
521
809
233
521
809
D.
Q
60%
60%
233
521
809
233
521
809
A score of
corresponds with the 40th percentile in this state.
(Round to the nearest integer as needed.)
C.
Density
Density
Density
B.
Density
Density
Density
Transcribed Image Text:According to a recent reporting on a standardized test, the average ERW (English, Reading, Writing) score for students in a particular state was 521. Assume the scores are Normally distributed with a standard deviation of 96. Answer parts a through c below including an appropriately labeled and shaded Normal curve for each part. 500 500 644 644 233 521 809 233 521 809 The percentage that scored between 500 and 644 is %. (Round to one decimal place as needed.) c. What ERW score would correspond with the 40th percentile in this state? Select the correct graph below. O A. Q В. 40%| 40% 233 521 809 233 521 809 D. Q 60% 60% 233 521 809 233 521 809 A score of corresponds with the 40th percentile in this state. (Round to the nearest integer as needed.) C. Density Density Density B. Density Density Density
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