Question the johnson manufacturing company operates six, Ask an Expert

Statistics

Question: The Johnson Manufacturing Company operates six identical machines that are serviced by a single technician when they break down. Breakdowns occur according to the Poisson distribution and average 0.03 breakdowns per machine operating hour. Average repair time for a machine is five hours and follows the exponential distribution.

(a) What percentage of the technician's time is spent repairing machines?

(b) On average, how long is a machine out of service because of a breakdown?

(d) Johnson wants to investigate the economic feasibility of adding a second technician. Each technician costs the company $18 per hour. Each hour of machine downtime costs $120. Should a second technician be added?

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M92768958

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

In 2013 gallup conducted a poll and found a 95 confidence

In 2013, Gallup conducted a poll and found a 95% confidence interval of the proportion of Americans who believe it is the government's responsibility for health care. Give the statistical interpretation.

A 54 percent corporate coupon bond is callable in ten years

A 5.4 percent corporate coupon bond is callable in ten years for a call premium of one year of coupon payments. Assuming a par value of $1,000, what is the price paid to the bondholder if the issuer calls the bond? Amoun ...

John plans to take three suits on his business trip if john

John plans to take three suits on his business trip. If John owns 8 suits, how many ways can the 3 suits be selected?

A jar of peanut butter contains 451 grams with a standard

A jar of peanut butter contains 451 grams with a standard deviation of 10.6 grams. Assuming a normal distribution, find the probability that a jar contains less than 448 grams.

37 of college students say they use credit cards because of

37?% of college students say they use credit cards because of the rewards program. You randomly select 10 college students and ask each to name the reason he or she uses credit cards. Find the probability that the number ...

1 according to the latest poll 750 adult respondents

1. According to the latest poll, 750 adult respondents believe in global warming. Construct a 95% confidence interval estimate of the proportion of adults who believe in global warming. Round your lower bound and upper b ...

On a correlation matrix you will usually see two values per

On a correlation matrix, you will usually see two values per comparison. The top value for a correlation measurement will be the Pearson correlation, right under that you will see a p-value. I understand when you have a ...

A random sample ofnbsp86nbspeighth grade students scores on

A random sample of 86 eighth grade? students' scores on a national mathematics assessment test has a mean score of 292. This test result prompts a state school administrator to declare that the mean score for the? state' ...

According to recent study 143 of 453 technology ceos from

According to recent? study, 143 of 453 technology CEOs from around the world responded that technological advances will transform their business and 85responded that resource scarcity and climate change will transform th ...

A national air traffic control system handled an average of

A national air traffic control system handled an average of 47,556 flights during 28 randomly selected days in a recent year. The standard deviation for this sample is 6,251 flights per day. Complete parts a through c be ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Statistics and Probability Expert