The average starting salary for graduates at a university is $25,000 with a standard deviation of $2000. A histogram of the data shows the shape to be very erratic so Chebyshev’s Theorem should be used. How many of the graduates would have a starting salary between 21,000 and 29,000?
A: at least 95%
B: at least 68%
C: at least 75%
D: at least 89%
A: at least 95%
B: at least 68%
C: at least 75%
D: at least 89%
C
举一反三
- The average starting salary for graduates at a university is $25,000 with a standard deviation of $2000. A histogram of the data shows the shape to be very erratic so Chebyshev’s Theorem should be used. How many of the graduates would have a starting salary between 21,000 and 29,000?
- How many years of professional experience should the candidates have At least ______.
- Considering your salary， you should be able to ________ at least twenty dollars a week.
- Before starting an engine by air, the engine must（） A: be turned by a turning gear for at least one minute B: be turned by a turning gear for at least two minutes C: be turned at least one complete turn D: be turned at least two complete tur
- __________ a teacher in a university, it is necessary to have at least a master’s degree.
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3. How many hours of exercise in a week is advised by the speake A: At least two hours. B: At least two and a half hours. C: At least three hours. D: At least three and a half hours.
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(become)（）a teacher in a university, it is necessary to have at least a master’s degree.
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How long would the patient be asked to lie on his/her back without pillow after Lumbar Puncture? () A: for at least 0.5 hours B: for at least 2 hours C: for at least 3 hours D: for at least 4 hours E: for at least 1 hours
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How many ties does the man have at least A: 3. B: 4. C: 5.
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How long does it take the man for preparing a film A: At least 13 months. B: At least 3 years. C: At least 30 years. D: At least 3 months.