course_assessment_id%3D_1726756_1&course_id%3_1979437_1&content id%3 53690 uestion Completion Status: QUESTION 4 The distribution of the number of hours of sleep people get per night is unimodal and symmetric with a mean of 6 hours and a standard deviation of .5 Using the Empirical Rule, approximately what percentage of people sleep between 6 and 7.5 hours per night? Write your answer as a percentage but WITHOUT the % sign. 13.5% 13.5% X2 34% 34% 0.5% 2.0% 2.0% 0.5% -4 -3 -2 -1 +1 +2 +3 +4 L68%- 95% 99% The distribution of the number of hours of sleep people get per night is unimodal and symmetric with a mean of 6 hours and a standard deviation of If lamor sleens 4.5 hours, what is his z-score? QUESTION 5 rigta sign (+/-)

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uestion Completion Status:
QUESTION 4
The distribution of the number of hours of sleep people get per night is unimodal and symmetric with a mean of 6 hours and a standard deviation of 1.5
Using the Empirical Rule, approximately what percentage of people sleep between 6 and 7.5 hours per night?
Write your answer as a percentage but WITHOUT the % sign.
13.5%
13.5%
34% 34%
X2.0%
2.0%
0.5%
0.5%
-4
-3
-2 -1
0 1
+2
+3
+4
68%-
95%-
99%
The distribution of the number of hours of sleep people get per night is unimodal and symmetric with a mean of 6 hours and a standard deviation of
Iimor sleens 4.5 hours, what is his z-score?
QUESTION 5
riata sign (+/-)
Transcribed Image Text:du/webapps/assessment/take/launch.jsp?course_assessment id%3D_1726756_1&course_id%3D_1979437_18&content id3 53690 uestion Completion Status: QUESTION 4 The distribution of the number of hours of sleep people get per night is unimodal and symmetric with a mean of 6 hours and a standard deviation of 1.5 Using the Empirical Rule, approximately what percentage of people sleep between 6 and 7.5 hours per night? Write your answer as a percentage but WITHOUT the % sign. 13.5% 13.5% 34% 34% X2.0% 2.0% 0.5% 0.5% -4 -3 -2 -1 0 1 +2 +3 +4 68%- 95%- 99% The distribution of the number of hours of sleep people get per night is unimodal and symmetric with a mean of 6 hours and a standard deviation of Iimor sleens 4.5 hours, what is his z-score? QUESTION 5 riata sign (+/-)
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