n In 2015, the College Board SAT mathematics score of high school seniors, which follow an approximately normal distribution, had a mean of 511 and a standard deviation of 120² FI 1) What percentage of seniors who took the test in 2015 scored between 271 and 751? approximately 50% approximately 68% approximately 95% 2) What percentage of seniors who took the test in 2015 scored above 631? ere to search approximately 16% approximately 68% approximately 84% 3) What percentage of seniors who took the test in 2015 scored between 271 and 511? O approximately 68% approximately 16% O approximately 47.5% 4) Should a score of 770 be considered unusual? O Yes O No + F3 # X F4 $ (36) LC C F5 % C F6 6 F7 30% 87 & FB * LP 8 64°F Mostly sunny FO DE F10 9 *- F11 F12 C
n In 2015, the College Board SAT mathematics score of high school seniors, which follow an approximately normal distribution, had a mean of 511 and a standard deviation of 120² FI 1) What percentage of seniors who took the test in 2015 scored between 271 and 751? approximately 50% approximately 68% approximately 95% 2) What percentage of seniors who took the test in 2015 scored above 631? ere to search approximately 16% approximately 68% approximately 84% 3) What percentage of seniors who took the test in 2015 scored between 271 and 511? O approximately 68% approximately 16% O approximately 47.5% 4) Should a score of 770 be considered unusual? O Yes O No + F3 # X F4 $ (36) LC C F5 % C F6 6 F7 30% 87 & FB * LP 8 64°F Mostly sunny FO DE F10 9 *- F11 F12 C
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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In 2015, the College Board SAT mathematics score of high school seniors, which follow an approximately normal distribution, had
a mean of 511 and a standard deviation of 120²
1) What percentage of seniors who took the test in 2015 scored
between 271 and 751?
O approximately 50%
O approximately 68%
O approximately 95%
2) What percentage of seniors who took the test in 2015 scored above
631?
3) What percentage of seniors who took the test in 2015 scored
between 271 and 511?
A-
2
O approximately 16%
O approximately 68%
O approximately 84%
O approximately 68%
O approximately 16%
O approximately 47.5%
4) Should a score of 770 be considered unusual?
O Yes
O No
F2
+
43
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%
5
C
F6
‹ co
6
F7
30%
&
7
FB
U
8
*
8
64°F Mostly sunny
F9
08
(
EzyBooks catalog
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)
F11
0
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9
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✓
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