Question: a) Improperly wired control panels were mistakenly installed on two of eight large automated machine tools. It is uncertain which of the machine tools have

a) Improperly wired control panels were mistakenly installed on two of eight large automated machine tools. It is uncertain which of the machine tools have the defective panels, and a sample of four tools is randomly chosen for inspection. What is the probability that the sample will include no defective panels? Both defective panels?(2+2 = 4 marks)

b) A certain region has an unemployment rate of 6%. The region conducts monthly surveys in order to track the unemployment rate. In a recent month, a random sample of 700 people showed that 35 were unemployed.

(i)Find the probability that the sample unemployment rate is at most 5%.(3 marks)

(ii)Find the probability that the sample proportion will lie within 0.005 of the trueproportionpof people who are unemployed.(3 marks)

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 Mathematics Questions!

35. Bad Wiring Improperly wired control panels were mistakenly installed on two of eight large automated machine tools. It is uncertain which of the machine tools have the defective panels, and a...

Improperly wired control panels were mistakenly installed on two of eight large automated machine tools. It is uncertain which of the machine tools have the defective panels, and a sample of four...

5.95 Bad Wiring Improperly wired control panels were mistakenly installed on two of eight large automated machine tools. It is uncertain which of the machine tools have the defective panels, and a...

Two major themes from the introduction to module 4 are "Project Management" and "Managing Risk." Discuss, in depth, your analysis of the company's actions in relation to the concepts of these two...

Unit IV Case Study Incident Investigation Read Case III located on pages 560-562 in your textbook. Once you have read all of the materials, write an incident report utilizing the Guide for...

What is the current state of manufacturing at Whistler? Highlight some symptoms from the case that may indicate problems with their manufacturing performance. 2. What are the underlying causes of...

Overview of the case. What do you think of the particular assignment given to Browning? TEXTBOOK : Brown, C.V., DeHayes, D.W., Hoffer, J.A., Martin, E.W., and Perkins, W.C. Managing Information...

CHA P TER 9 Understanding Software: A Primer for Managers 1. INTRODUCTION L E A R N I N G O B J E C T I V E S 1. Recognize the importance of software and its implications for the rm and strategic...

Discuss the six tools of the operating manager: measurement systems, technology, organizational structure, people, leadership signals, and culture. Be prepared to discuss each in relation to the...

Utilize the Grand Strategy Matrix to evaluate the competitive position and market growth of the company. Based on your analysis, which strategies should be considered? You should have a visual to...

a. Is the towns street lighting a private good or a public good? b. Suppose that Sam and Nick are the only residents of the town. Draw a graph to show the marginal social benefit from the towns...

Janet Taylor is the new division controller of the snack-foods division of Gourmet Foods. Gourmet Foods has reported a minimum 15% growth in annual earnings for each of the past five years. The...

Question 2 2 What era of fintech is characterized by startups and disruptive innovations? Fintech 1 . 0 Fintech 2 . 0 Fintech 3 . 0 Fintech 4 . 0

Fill in the blank below giving a reasonably tight O bound for the best - case running time of the function shown. It is O ( _ _ _ _ _ ) function littleStuff ( n ) count = 0 FOR x = 3 0 to n FOR y = x...