20. The mean score and the standard score in the Statistics test are respectively equal to 80 and 2.5, whereas in the Mathematics tests they are respectively equal to 70 and 2. If Beth got a. score of 85 in Statistics and a score of 75 in Mathematics, in which subject is her standing better assuming normality in both subjects? In an English test, the mean is 60 and the standard deviation is 6. Assuming the scores are normally distributed what percent of the scores is a. greater than 65? b. less than 70? between 50 and 65?
20. The mean score and the standard score in the Statistics test are respectively equal to 80 and 2.5, whereas in the Mathematics tests they are respectively equal to 70 and 2. If Beth got a. score of 85 in Statistics and a score of 75 in Mathematics, in which subject is her standing better assuming normality in both subjects? In an English test, the mean is 60 and the standard deviation is 6. Assuming the scores are normally distributed what percent of the scores is a. greater than 65? b. less than 70? between 50 and 65?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 26PFA
Related questions
Question
Please answer 20-21 asap please
![19 Lod
21.
core of 85 in a Biology test and
test. Scores in the Biology
or
80 in a Math
the Mau
deviation of 5. Sc
and standard
and standariation of 4. In which suct is her standing
st have a mean of 76
betteuming that the scores in the two subje are normally
ributed?
20. The mean score and the standard score in the Statistics test are
respectively equal to 80 and 2.5, whereas in the Mathematics
tests they are respectively equal to 70 and 2.
If Beth got a.
score of 85 in Statistics and a score of 75 in Mathematics, in
which subject is her standing better assuming normality in both
subjects?
a.
In an English test, the mean is 60 and the standard deviation is
6. Assuming the scores are normally distributed what percent of
the scores is
Standard-Score
greater than 65?
b. less than 70?
C.
Open in Chrome
between 50 and 65?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc129a3c7-0b6d-43f7-b060-44204c55022b%2F423a475b-52af-4422-8d06-2e6cb86a07d7%2Ff7uyb6_processed.jpeg&w=3840&q=75)
Transcribed Image Text:19 Lod
21.
core of 85 in a Biology test and
test. Scores in the Biology
or
80 in a Math
the Mau
deviation of 5. Sc
and standard
and standariation of 4. In which suct is her standing
st have a mean of 76
betteuming that the scores in the two subje are normally
ributed?
20. The mean score and the standard score in the Statistics test are
respectively equal to 80 and 2.5, whereas in the Mathematics
tests they are respectively equal to 70 and 2.
If Beth got a.
score of 85 in Statistics and a score of 75 in Mathematics, in
which subject is her standing better assuming normality in both
subjects?
a.
In an English test, the mean is 60 and the standard deviation is
6. Assuming the scores are normally distributed what percent of
the scores is
Standard-Score
greater than 65?
b. less than 70?
C.
Open in Chrome
between 50 and 65?
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