Mathematics, 01.03.2021 18:20 timozy95
Isobel gives a puzzle to some people and records how long they take to solve it. Some of her results are summarised in the histogram. Four people took 20 minutes or less to solve it. Work out the percentage of the people who took 30 minutes or more.
Answers: 3
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Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 360, a standard deviation of 4, and a margin of error of 2.5%
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Mathematics, 21.06.2019 21:00
List x1, x2, x3, x4 where xi is the midpoint endpoint of the five equal intervals used to estimate the area under the curve of f(x) between x = 0 and x = 10.
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Mathematics, 21.06.2019 22:30
Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.
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Adele is five years older than timothy. in three years, timothy will be 2/3 of adele’s age. what is adele‘s current age?
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Isobel gives a puzzle to some people and records how long they take to solve it. Some of her results...
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