Mathematics, 29.10.2020 09:20 noor2005
2. Surveys of very large numbers of people conducted in 2007 and 2014 found that the
percentage of Americans who said that religion is very important in their lives dropped from
56% in 2007 to 53% in 2014. The report characterized this as the percentage "ticked down"
by a "small but statistically significant margin." www. pewforum. org/2015/11/03/u-s-public-becoming- less-religious/
a. What is the difference in percentages?
b. Explain how the percentage could have just "ticked down" yet the difference is
"statistically significant."
Answers: 1
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Aplane is flying at 32,500 feet. it needs to rise to 36,000 feet in two stages.• in stage 1, it rises 5% of its initial altitude of 32,500 feet.• in stage 2, it rises at a rate of 125 feet per minute.how many minutes does it take for the plane to rise during stage 2?
Answers: 1
2. Surveys of very large numbers of people conducted in 2007 and 2014 found that the
percentage of...
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