Mathematics, 21.03.2020 03:02 KBH3298
In a survey of US adults, twenty percent say they never exercise. This is the highest level seen in five years.
Find a confidence interval for the proportion of US adults who say they never exercise. Round your answers to three decimal places.
Answers: 1
Mathematics, 21.06.2019 13:20
At school there are 526 students and 263 are girls about how likely is it that a randomly chosen student will be a boy
Answers: 2
Mathematics, 21.06.2019 19:30
The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)
Answers: 3
Mathematics, 21.06.2019 22:00
The sum of the speeds of two trains is 720.2 mph. if the speed of the first train is 7.8 mph faster than the second train, find the speeds of each.
Answers: 1
In a survey of US adults, twenty percent say they never exercise. This is the highest level seen in...
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