e)
From the given data
X | P(X=x) | xP(X=x) | X^2P(X=x) |
0 | 0.091613 | 0 | 0 |
1 | 0.28075 | 0.28075038 | 0.28075038 |
2 | 0.344146 | 0.68829126 | 1.37658253 |
3 | 0.210928 | 0.6327839 | 1.89835171 |
4 | 0.064639 | 0.25855686 | 1.03422746 |
5 | 0.007924 | 0.03961758 | 0.19808792 |
Total: | 1.9 | 4.788 |
At a large electronics corporation, the HR Director determined that 38% of the employees have at...
In a large hospital, a nursing director selected a random sample of 38 registered nurses and found that the mean of their ages was 31.9. The population standard deviation for the ages is 4.2. She selected a random sample of 28 nursing assistants and found the mean of their ages was 29.5. The population standard deviation of the ages for the assistants is 6.0. Find the 99% confidence interval of the differences in the ages. Use μ1 for the mean...
For a large supermarket chain in a particulate a women's groue dained a female employees were passed over for management training in favor of their male colleagues. The company denied is dan, saying picked the employees from the ele pool at random to receive this training Side, the large pool of more than 1000 eligible employees who can be tapped for management training 48% female and 58% male. Since this program began, 23 de 46 cmployees chosen for management training...
1. Suppose that random variables X and Y are independent and have the following properties: E(X) = 5, Var(X) = 2, E(Y ) = −2, E(Y 2) = 7. Compute the following. (a) E(X + Y ). (b) Var(2X − 3Y ) (c) E(X2 + 5) (d) The standard deviation of Y . 2. Consider the following data set: �x = {90, 88, 93, 87, 85, 95, 92} (a) Compute x¯. (b) Compute the standard deviation of this set. 3....
You have worked long and hard to become the chief marketing officer (CMO) of a global retailer, Fast Fashion, with revenues of over $5 billion. Fast Fashion offers casual and career apparel and accessories at value prices for women ages twenty-five to thirty-five. It operates approximately 3,800 stores in the United States, Europe, Puerto Rico, and Canada. Because you recognize the growth and future impact of social media, you work with the chief executive officer (CEO) and human resources (HR)...
1. Many companies use a incoming shipments of parts, raw materials, and so on. In the electronics industry, component parts are commonly shipped from suppliers in large lots. Inspection of a sample of n components can be viewed as the n trials of a binomial experimem. The outcome for each component tested (trialD will be that the component is classified as good or defective defective components in the lot do not exceed 1 %. Suppose a random sample of fiver...
Subject: HRM
Introduction and Instructions
You have recently been hired as the Director of Human Resources
for Wilson Brothers Canada and have HR responsibility for all of
the company’s Canadian operations. Bob and John Wilson have asked
you to prepare a report for their review focusing specifically on
organizational behavior within the company. Review the Wilson
Brothers Case Scenario in depth and address the required topic
listed below in your analysis report. Marks are allocated for
thoroughness of coverage of...
i need help on question 3 to 22 please.
Midterm ex review. MATH 101 Use the following information to answer the next four exercises. The midterm grades on a chemistry exam, graded on a scale of 0 to 100, were: 62, 64, 65, 65, 68, 70, 72, 72, 74, 75, 75, 75, 76,78, 78, 81, 82, 83, 84, 85, 87, 88, 92, 95, 98, 98, 100, 100,740 1. Do you see any outliers in this data? If so, how would...
A real estate research firm has developed a regression model relating list price (Y in 1,000) with two independent variables. The two independent variables are number of bedrooms and size of the property. Part of the regression results are shown below. ANOVA MS Regression 256881.37 128440.68 Residual 42 726699.96 17302.38 Coefficients Standard Error Star Intercept 54.298 # Bedrooms 53.634 71.326 5.271 33.630 Acres 21.458 1. What has been the sample size? (2 Points) 2. What is the value of the...
1) Continuous random variables are obtained from data that can be measured rather than counted. A) True B) False 2) Discrete variables have values that can be measured. A) True B) False 3) Determine whether the random variable described is discrete or continuous. The number of minutes you must wait in line at the grocery store A) continuous B) discrete 4) Determine whether the random variable described is discrete or continuous. The total value of a set of coins A)...
Is there one universal way for a MNC to motivate its employees around the world to exert maximum effort and be accountable for their results? case: Global Talent Management at Novartis I do not know how to give you the whole case Sourcing Talent Globally The company was actively involved in sourcing talent from increasingly dispersed locations. Managers were encouraged to keep an updated list of leadership talent. In addition, the company 7 708-486 Global Talent Management at Novartis had...