68-95-99.7 Rule
Authored by Lizzie Zunich
Mathematics
9th - 12th Grade
Used 7+ times
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30 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The salary of teachers in the U.S. is normally distributed. The average salary of teachers in the U.S. is $47,750 with a standard deviation of $5,680. (Avg. teacher salary in IL is $59,113 woot woot!)
68% of teachers in the U.S. make between __________ and ________.
$42,070 and $53,430
$42,070 and $59,110
$36,390 and $53,430
$36,390 and $59,110
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The salary of teachers in the U.S. is normally distributed. The average salary of teachers in the U.S. is $47,750 with a standard deviation of $5,680.
95% of teachers in the U.S. make between __________ and ________.
$42,070 and $53,430
$42,070 and $59,110
$36,390 and $53,430
$36,390 and $59,110
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The salary of teachers in the U.S. is normally distributed. The average salary of teachers in the U.S. is $47,750 with a standard deviation of $5,680.
99.7% of teachers in the U.S. make between __________ and ________.
$30,710 and $53,430
$30,710 and $64,790
$36,390 and $64,790
$36,390 and $59,110
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The salary of teachers in the U.S. is normally distributed. The average salary of teachers in the U.S. is $47,750 with a standard deviation of $5,680.
What percent of teachers make between $47,750 and $53,430?
13.5%
34%
84%
47.5%
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The salary of teachers in the U.S. is normally distributed. The average salary of teachers in the U.S. is $47,750 with a standard deviation of $5,680.
What percent of teachers make more than $42,070 yearly?
13.5%
34%
84%
47.5%
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The salary of teachers in the U.S. is normally distributed. The average salary of teachers in the U.S. is $47,750 with a standard deviation of $5,680.
What percent of teachers make between $53,430 and $59,110?
13.5%
34%
84%
47.5%
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The average life expectancy of dogs is normally distributed. The mean age is 13.4 years with a standard deviation of 2.3 years.
What percent of dogs live between 11.1 and 18 years?
34%
68%
47.5%
81.5%
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