Mathematics, 26.07.2019 01:30 adearing2426
According to a 2014 research study of national student engagement in the u. s., the average college student spends 17 hours per week studying. a professor believes that students at her college study less than 17 hours per week. the professor distributes a survey to a random sample of 80 students enrolled at the college. from her survey data the professor calculates that the mean number of hours per week spent studying for her sample is 15.6 hours per week with a standard deviation of 4.5 hours per week. the professor chooses a 5% level of significance. what can she conclude from her data?
Answers: 3
Mathematics, 21.06.2019 17:00
The magnitude, m, of an earthquake is defined to be m=log l/s, where i is the intensity of the earthquake (measured by the amplitude of the seismograph wave) and s is the intensity of a “standard” earthquake, which is barely detectable. what is the magnitude of an earthquake that is 1,000 times more intense than a standard earthquake? use a calculator. round your answer to the nearest tenth.
Answers: 1
Mathematics, 21.06.2019 19:30
Can someone me with the property questions for 12 13 and 14 plz
Answers: 2
Mathematics, 21.06.2019 20:00
Me! i really need to get this right before 9. prove the divisibility of 7^6+7^5-7^4 by 11. use factoring so you get a number times 11. just tell me the number. i need this done asap
Answers: 1
According to a 2014 research study of national student engagement in the u. s., the average college...
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