Posted by **Samantha** on Monday, July 27, 2009 at 12:03pm.

For the manufacturing plant discussed in Exercise 8.10, the union president and the human resources director jointly select a simple random sample of 36 employees to engage in a discussion with regard to the company’s work rules and overtime policies. What is the probability that the average number of overtime hours last year for members of this sample would have been less than 65.0 hours? Between 55.0 and 65.0 hours?

(8.10) Employees in a large manufacturing plant worked and average of 62.0 hours of overtime last year, with a standard deviation of 15.0 hours. For a simple random sample of n=36 employees and x=the number of overtime hours worked last year, determine the z-score corresponding to each of the following sample means:

a. ȭ= 55.0 hours b. ȭ=60.0 hours

c. ȭ=65.0 hours d. ȭ= 47.0 hours

## Answer This Question

## Related Questions

- Statistics - For the manufacturing plant discussed in Exercise 8.10, the union ...
- Statistics - For the manufacturing plant discussed in Exercise 8.10, the union ...
- Statistics - 8.11) For the manufacturing plant discussed in Exercise 8.10, the ...
- statistics - 3. The personnel director of a corporation will study the overtime ...
- m/c - A researcher is hired by a company to ascertain the morale of company ...
- Statistics - The manager of a company wants to investigate job satisfaction ...
- STATISTICS - A manufacturer has received complaints that aging production ...
- statistics - A small company has 9 female employees and 15 male employees. In ...
- English - Phoenix Advertising Date: 12/5/2008 To: Entire Executive Team Cc: Mr...
- statistics - there are 450 employee in an organization. using the method of ...

More Related Questions