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- The average numbers of days it took a city's department to respond to requests to fix potholes are described by the density histogram to the right for each of the weeks in 2012 and 2013. Complete parts (a) through (e) below. A. The class that contains the 50th percentile is 7 to 13 days. B. The class that contains the 50th percentile is square days Are the observations in the class typical values?Explain. Choose the correct answer below. A. Yes, because this class contains the greatest number of observations. B. No, because the values in each class are not related. C. No, because the percentage of observations in this class is a lot less than the majority of the other classes. D. Yes, because the percentage of observations in this class is a lot more than the majority of the other classes. b. For what proportion of the weeks was the average response time at least 28 days?Note that some of the bars in the density histogram were left blank on purpose. The proportion of weeks with an average response time of at least 28 days was 0.30 (Type an integer or a decimal. Do not round.) C. From inspecting the histogram, a student concludes that in 2015, the average response time will be less than 21 days for 64% of the weeks. What would you tell the student? A. The distribution in 2015 will always be different from the one in 2012 and 2013. B. The distribution in 2015 will be the same as in 2012 and 2013, so this is correct. C. It cannot be assumed that the distribution in 2015 will be the same as in 2012 and 2013. D. The distribution in 2015 will be the same as in 2012 and 2013, but this is not the correct response time for 2012 and 2013
- The probability that a couple will have 3 boy children in a row is 1 in square Need help? Review these concept resources.
- 3. Construye un modelo con la ayuda de material reciclado,para emplearlo en el cálculo de las medidas de ángulos formados por paralelas cortadas por una transversal Laidea es mostrar que teniendo dos o más rectas paralelas entre si, una recta trasversal a ellas (no perpendicular), genera dos tamaños de ángulos, uno mayor que otro, los cuales serán suplementarios Los ángulos en cada para- lela serán exactament e de la misma medida.
- The number of hours some college students spend watching television during the summer are described by the density histogram to the right. Complete parts (a) through (d)below. a. Compute the area of each of the five bars in the density histogram. Compute the areas from left to right. The area of the first bar is 0.04". The area of the second bar is 0.18 . The area of the third bar is 0.56 The area of the fourth bar is 0.18 The area of the fifth bar is 0.04 (Type integers or decimals Do not round.) b. Find the total area of the five bars. The total area is 1.00 (Type an integer or decimal. Do not round.) C. Explain why the total area of the bars of any density histogram is always equal to the result you found in part (b)Choose the correct answer below. A. The area of a bar is equal to the density of the bar's class, and the sum of the donsities of all the classes is equal to the result from part (b) B. The area of a bar is equal to the relative frequency of the bar's class and the sum of the relative frequencies of all the classes is equal to the result from part (b). C. The area of a bar is equal to the width of the bar's class, and the sum of the widths of all the classes is equal to the result from part (b) D. The area of a bar is equal to the frequency of the bar's class, and the sum of the frequencies of all the classes is equal to the result from part (b)
- Factoriza el siguiente trinomio x^2-15x+50= Agregarrespuesta
