Mathematics, 14.04.2021 01:00 mariela78
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Select all the studies in which the results may have been skewed by bias. For each study, assume a normal distribution.
1. a study on cooking times at high altitudes, with 90% of the data falling above the population mean
2. a study with a significantly smaller than expected standard deviation about the sample mean
3. a study of employeesβ annual number of vacation days, with a large standard deviation about the mean a study of employee satisfaction, with 25% of the data having a z-score greater than 1
4. a study on crosswalk wait times with 95% of the data falling within 1 standard deviation of the population mean
5. a study on the average length of hiking trails in all state parks, with 50% of the data falling below the population mean
Answers: 2
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(fog)(x) if f(x)=x^2- 4 and g(x)=x^2 + 2 x, f(g(x))= f(x^2+2x) (x^2+2x)^2-4 (x^2+2x)(x^2+2x)-4 (x^4+2x^3+5x+4x^2)-4 x^4+2x^3+4x^2+5x-4 what am i doing wrong
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Select all the studies in which the results may have been skewed b...
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