Mathematics, 01.07.2019 09:10, ajbrock1004
Sean says that to add a number to β100 and still have β100 is to add zero. candice says that she can add two numbers to β100 and still have β100. who is correct and why? sean is correct because adding any numbers other than zero will result in a different number. candice is correct because if the two numbers total 100, then the sum will be β100. they are both correct because adding two numbers that are opposites is equivalent to adding zero. neither is correct because adding any number to β100 will result in a different number.
Answers: 2
Mathematics, 21.06.2019 19:40, Candieboo4006
It appears that people who are mildly obese are less active than leaner people. one study looked at the average number of minutes per day that people spend standing or walking. among mildly obese people, the mean number of minutes of daily activity (standing or walking) is approximately normally distributed with mean 376 minutes and standard deviation 64 minutes. the mean number of minutes of daily activity for lean people is approximately normally distributed with mean 528 minutes and standard deviation 107 minutes. a researcher records the minutes of activity for an srs of 7 mildly obese people and an srs of 7 lean people. use z-scores rounded to two decimal places to answer the following: what is the probability (image for it appears that people who are mildly obese are less active than leaner people. one study looked at the averag0.0001) that the mean number of minutes of daily activity of the 6 mildly obese people exceeds 420 minutes? what is the probability (image for it appears that people who are mildly obese are less active than leaner people. one study looked at the averag0.0001) that the mean number of minutes of daily activity of the 6 lean people exceeds 420 minutes?
Answers: 1
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