A sample of employees of Worldwide Enterprises is to be surveyed about a new health care plan. The employees are classified as follows: Classification Event Number of Employees Supervisors A 120 Maintenance B 50 Production C 1,460 Management D 302 Secretarial E 68 (a) What is the probability that the first person selected is: (i) either in maintenance or a secretary? (ii) not in management?

At a large consulting firm, staff consultants are classified as "experienced" after successful completion of their first programming assignment. Of the staff consultants, 50% are currently classified as "experienced" and 40% currently work in the manufacturing division, Of the staff consultants in the manufacturing division, 45% are classified as experienced. One stall consultant from this firm is selected at random. What is the probability that the selected staff consaltant is neither experienced nor in the manufacturing division? (A) 0.10 (B) 0:18 (С) 0.20 (D) 0.28 (E) 0.30

(a)A manager at a bus company wants to survey employees about the new uniforms. Which of the following best describes a random sample of employees?The manager asks for volunteers and selects every volunteer until 60 employees are selected. She selects the volunteers because these employees are easily accessible.The manager forms groups of 12 employees based on the departments the employees are in. Then, she selects all of the employees in 5 randomly chosen groups.The manager uses a computer program to draw 60 employees at random and selects these employees. Every set of 60 employees is equally likely to be drawn by the computer program.(b)A consultant wants to ask workers at a factory about the workers' job satisfaction. Which of the following best describes a stratified sample of workers?The consultant forms groups of 8 workers based on the lengths of time the workers have worked at the factory. Then, he randomly chooses 9 groups and selects all of the workers in these groups.The consultant assigns each worker a different number. Using a random number table, he draws 72 of those numbers at random. Then, the consultant selects the workers assigned to the drawn numbers. Every set of 72 workers is equally likely to be drawn using the random number table.The consultant forms 6 groups of workers based on the workers' shifts. Then, he selects 12 workers at random from each group.(c)A city manager wants to poll residents about a park renovation. Which of the following best describes a convenience sample of residents?The city manager takes a list of the residents and selects every 5th resident until 90 residents are selected.The first 90 residents who walk into city hall one day are easily accessible. So, the city manager selects these residents.The city manager forms 5 groups of residents based on the residents' incomes. Then, she selects 18 residents at random from each group.

A survey of professions had the results shown in the table. What is the probability that a person chosen at random from the survey respondents would work in health care? Round your answer to three decimal places.Retail 42Health Care 70Food 107Physical Labor 67Office Work 106Agriculture 54Group of answer choicesNot enough information to calculate.0.1576.3710.094

Two hundred patients who had either hip surgery or knee surgery were asked whether they were satisfied or dissatisfied regarding the result of their surgery. Out of the 95 that had knee surgery, 70 were satisfied. Out of the 105 that had hip surgery, 15 were dissatisfied. If one person from the 200 patients is selected at random, what is the probability that the person had knee surgery?Question 4Select one:a.5/19b.21/40c.7/20d.19/40

A group consists of equal number of men and women. Of this group 20% of the men and50% of the women are unemployed. If a person is selected at random from this group, find theprobability of the selected person being employed.