Mathematics, 03.05.2021 19:30 andyyandere8765
A research study was conducted to investigate the proportion of learning disabilities (LD) in an elementary school in Texas. Out of a total of 2,706 participants were interviewed and a total of 368 responses were diagnosed with specific learning disabilities (SLD). Assume that the proportion of students with SLD in the particular population was 7.5%. 1) Write the null and alternative hypotheses for a formal test of significance 2) Calculate Z-statistic to test the null hypothesis (no need to show your calculations, just provide the estimates of Z-statistic in 4~5 decimal places) 3) Interpret your results at the alpha level of .05.
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Graph a triangle (xyz) and reflect it over the line y=x to create triangle xāyāzā. describe the transformation using words. draw a line segment from point x to the reflecting line, and then draw a line segment from point xā to the reflecting line. what do you notice about the two line segments you drew? do you think you would see the same characteristics if you drew the line segment connecting y with the reflecting line and then yā with the reflecting line? how do you know?
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Which fraction represents the ratio 35 : 42 in simplest form
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A research study was conducted to investigate the proportion of learning disabilities (LD) in an ele...
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