Mathematics, 28.10.2021 01:30 alyviariggins
A margin of error is sometimes reported along with the results of a survey. An unbiased poll of 450 students found that 36% favored increasing the number of hours spent at school Monday – Thursday in order to have Friday off. The margin of error was ±7%. If 2,000 students were surveyed, what is the maximum number of students who favored increasing the length of the school day Monday – Thursday?
Answers: 1
Mathematics, 21.06.2019 12:30
Dropping less than two inches per mile after emerging from the mountains, a river drains into the ocean. one day's discharge at its mouth, 5.6 trillion gallons, could supply all of country a's households for seven months. based on this statement, determine how much water an average household uses each month. assume that there are 100 million households in country a. country a uses approximately nothing gallons per household per month.
Answers: 1
Mathematics, 21.06.2019 18:00
Aplane is taking off from bangladesh headed to new york city. at the same time, a plane from new york city is headed to bangladesh is also taking off. the plane bound to new york city is traveling at 600 mph, while the plane traveling to bangladesh is traveling at 400 mph. how far from new york city will the two planes meet if the distance between new york city and bangladesh is 8,000 miles?
Answers: 3
Mathematics, 21.06.2019 21:00
The zoo collects $9.60 for every 24 tickets sold. how much will be collected for 400 tickets?
Answers: 2
A margin of error is sometimes reported along with the results of a survey. An unbiased poll of 450...
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