Mathematics, 18.11.2020 22:20 emmalou54
A study was conducted to determine the proportion of people who dream in black and white instead of color. Among 315 people over the age of 55, 62 dream in black and white, and among 302 people under the age of 25, 10 dream in black and white. Use a 0.05 significance level to test the claim that the proportion of people over 55 who dream in black and white is greater than the proportion for those under 25.
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Based on the diagram, match the trigonometric ratios with the corresponding ratios of the sides of the triangle. tiles : cosb sinb tanb sincposs matches: c/b b/a b/c c/a
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Drag statements and reasons to each row to show why the slope of the line between d and e is the same as the slope between e and f, given that triangles a and b are similar.
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