annikacorrea
26.11.2019 •
Mathematics
Ahypothesis test was used to test the hypothesis that people living in the mountains live on average longer than people living at sea level. the p-value was 0.64 and the level of significance used was 0.05. then it can be concluded that the lifespan for people living in the mountains is not longer on average than those who live at sea level.
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Ответ:
The proportional equation is
Step-by-step explanation:
Serenity practices the piano 1036 minutes in 4 weeks.
Each week has 7 days, so 4 weeks = 4*7 = 28 days.
The amount of minutes she practices per day is given by:
So, after d days, the total amount of time she will have practiced is given by: