Mathematics, 04.02.2022 03:30 heroicblad
Over the winter break, Adam bought his two sons a hamster. One day, the sons come home and, standing side by side, see the hamster standing 2 meters away from them. To see the top of the shorter boy’s head, the hamster has to tilt its head up at an angle of 26°. To see the top of the taller boy’s head, the hamster has to tilt its head up a further 10°. How much taller is the tall boy than the shorter boy?
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Farmers know that driving heavy equipment on wet soil compresses the soil and injures future crops. here are data on the "penetrability" of the same type of soil at two levels of compression. penetrability is a measure of how much resistance plant roots will meet when they try to grow through the soil. compressed soil 2.85 2.66 3 2.82 2.76 2.81 2.78 3.08 2.94 2.86 3.08 2.82 2.78 2.98 3.00 2.78 2.96 2.90 3.18 3.16 intermediate soil 3.17 3.37 3.1 3.40 3.38 3.14 3.18 3.26 2.96 3.02 3.54 3.36 3.18 3.12 3.86 2.92 3.46 3.44 3.62 4.26 use the data, omitting the high outlier, to give a 95% confidence interval for the decrease in penetrability of compressed soil relative to intermediate soil. compute degrees of freedom using the conservative method. interval: to
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Over the winter break, Adam bought his two sons a hamster. One day, the sons come home and, standing...
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