A Ud. lo contratan para realizar una medición de iluminación en una imprenta y obtiene los siguientes valores en lux: Taller de tipografia Iluminación general: \( 250 ; 290 ; 340 ; 145 ; 310 ; 340 ; 300 ; 320 ; 300 \) Rotativas: Recepción: \( 450 ; 410 ; 425 ; 400 ; 300 ; 400 ; 475 ; 210 ; 460 \) En base a los resultados obtenidos calcule el nivel de iluminación promedio compare con la ley y calcule la uniformidad. En base a los resultados genere una conclución y posibles recomendaciones.

In a normal distribution, a data value located 1.4 standard deviations below the mean has Standard Score: \( \mathrm{z}=-1.4 \) In a normal distribution, a data value located 2.3 standard deviations above the mean has Standard Score: \( \mathrm{z}=2.3 \) In a normal distribution, the mean has Standard Score: \( \mathrm{z}=\square \)

Consider the Standard Normal distribution. The mean is always \( \square \) and the standard deviation is always

EJERCICIO 7 -1 Se muestran las tallas de calzado de los últimos 20 clientes que han entrado a una zapatería \[ \begin{array}{l}25,22.5,26,26.5,27,25,23,24,24,23,24,24.5,24.5,24,23.5,24.5 \\ 23.5,24.5,25,23.5\end{array} \] Ordena las tallas y elabora una gráfica de columnas para representar los datos

A set of exam scores is normally distributed with a mean \( =74 \) and standard deviation \( =8 \). \( 95 \% \) of the data values lie between 58 \( \% \) of the exam scores are between 66 and 74 . \( \% \) of the exam scores are between 74 and 90 . \% of the exam scores are greater than or equal to 66 .

In a class of 40 leamers, 32 take Mathematics, 23 History and 4 do not take Mathematics or History. Draw a Venn diagram to illustrate the given information. How many learners take Mathematics and History Determine the Following: the probability that a learner takes History and Mathernatics. the probability that a learner does not take Mathematics. How many learners take History but not Mathematics?