Question: 8.48 A technical training firm claims that the average time for their trainees to master a particular skill is 40 hours. To maintain this average,

8.48 A technical training firm claims that the average time for their trainees to master a particular skill is 40 hours. To maintain this average, 24 students are tested every month. If the computed t-value falls between

−t0.025 and t0.025 , the firm is satisfied with its claim. What conclusion should the firm draw from a sample that has a mean of ¯x = 42 hours and a standard deviation of s = 6 hours? Assume the distribution of the training time to be approximately normal.

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Inferential Statistics Questions!

A technical training firm claims that the average time for their trainees to master a particular skill is 40 hours. To maintain this average, 24 students are tested every month. If the computed...

SUMMARY OF LEARNING OBJECTIVES AND KEY POINTS 1. Identify the basic elements of organizations. Organizations are made up of a series of elements: Designing jobs Grouping jobs Establishing reporting...

A vendor is recommending a program to make supervisors better at 'dealing with difficult conversations' at work. How would you apply the concepts of optimisation and the Kirkpa- trick model to set up...

Is it possible to estimate the ROI of training for all training programs? Which are more or less susceptible to this calculation? 6 TRAINING AND DEVELOPMENT CFO asks CEO, 'What happens if we invest...

Training and Development 7 Blend Images/Blend Images/Superstock Learning Outcomes Define the terms training and development. After reading this chapter, you should be able to do the following:...

1. In 2013, several data server companies took a dramatic decision to begin using energy surcharges to recapture rising energy costs. However, customers are critical of how the energy surcharges are...

Joshi was at a crossroads: should he borrow money to ramp up the growth of the business through new capacity building or see ServiceForce grow through more and more franchises? Evaluate financial...

Summarize the attached document of the WDR 2018 OVERVIEW Learning to realize education's promise Learning to realize education's promise Assess learning Act on evidence Align actors to make it a...

ber81438_exr_001-068.qxd 8/11/09 7:38 PM Page 51 EXERCISE 10.3: D EVELOPING AN E MPLOYEE B ENEFITS P ROGRAM * Overview Chapter 10 provides an overview of types of employee benefits programs. The...

Cranjet Industries is expanding its product line and its production capacity. The costs and expected cash flows of the two independent projects are given in the following table. The firm uses a...

Two blocks of masses 1.0kg and 3.0 kg are connected by a spring and rest on a frictionless surface. They are given velocities toward each other such that the 1.0 kg block travels initially at 1.7m/s...

If a company's required rate of return is 9 k , and in using the profitability indoc method, a project's index is greater than 1 , this indicates that the project's rate of return is equal to 9 % ....

A company has data that indicates the annual expenditures on a robotics manufacturing line are uniform at $100 per unit produced for the first four years. This cost has shown to increase by $50 per...