5 The data below shows the number of aces served by a player in each of their grand slam tennis matches for the year. \( \begin{array}{lllllllllllllll}15 & 22 & 11 & 17 & 25 & 25 & 12 & 31 & 26 & 18 & 32 & 11 & 25 & 32 & 13 \\ \text { a } & 10\end{array} \) Construct a stem-and-leaf plot for the data. b From the stem-and-leaf plot, find the mode and median number of aces. c is the data symmetrical or skewed?

Calcúlese el estimador máximo-verosímil del parámetro \( \lambda \) la distribución de Poisson en muestras aleatorias simples de tamaño \( n \).

You are a journalist working on an article about the nursing profession. Survey data shows that 355 out of 1000 nurses surveyed are considering a different career. If the survey ratio is accurate and there are about 4.8 million nurses registered in the United States, about how many million nurses nationwide are considering a different career?

Express the confidence interval \( 0.111<p<0.777 \) in the form \( \hat{p} \pm E \).

summarize your understanding of the role statistics play in managerial decision-making.

Exercise 1. How many residents had at least two falls in the last 24 months? Put the answer in cell B15. Exercise 2. What percentage of the nursing home residents had at most eight falls in the last 24 months? Put the answer in cell B16.