Reliability Engineering

1) For the personal vehicle 1992 Mitsubishi 3000GT VR4
a. Estimate the MTBF (include failure data, fabricate if needed),
b. Calculate the lower-one-sided 80% confidence bound,
c. Write an equation to describe the survival probability,
d. Discuss pro’s and con’s this analysis.

2) Obtain or otherwise fabricate a data set consisting of at least 30 observations including a mixture of failures and censored data.
a. Construct a Weibull plot
b. Estimate the model parameters,
c. Construct a plot of the PDF, include equation of the line,
d. Construct a plot of the CDF, include equation of the line,
e. Construct a plot of the Hazard function, include equation of the line,
f. Discuss significant aspects of your data set and implications of the resulting parameter estimates. What conclusions and recommendations would you make?

Sample Solution

would be a huge loss for the company, as it proved to be later during the sale to Verizon (Owusu, 2017).

PART III: Suggestions for the Organization

As discussed in the above sections, Yahoo faced a major organizational crisis when it’s servers were hacked, resulting in data breach, compromising the privacies of many users. However, Yahoo’s crisis was kept under wraps for almost two years. When the data breach incident came to light, their reputation suffered a huge blow, resulting in many other implications as well (as mentioned in part two). While the objective of this section of the paper aims to uncover more effective solutions that Yahoo could have utilized to remedy the crisis, additional successful crisis management examples carried out by other organizations will also be further examined below. This is essential in discovering key learning points that could ultimately be applied by Yahoo.

Examples of successful crisis management

Domino’s

Domino’s was caught in a crisis after a video of two of its employees contaminating the ingredients used in the sandwiches and pizzas before serving it to their customers was uploaded on Youtube (Clifford, 2009). Within a short period of time, the video received much attention — more than half a million views in two days, and Domino’s was hit with a series of backlash and criticisms (Park, Cha, Kim & Jeong, 2012). While Domino’s was slow to detect the video in the beginning, it reacted quickly and decisively after being informed of the video. The Chief Executive Officer (CEO) of Domino’s, Patrick Doyle, uploaded an apology video which addressed the crisis directly on social media, providing an update on the responses taken by the company to rectify the issue as well — an approach that was not done by any other organization then (Veil, Sellnow & Petrun, 2012). The video was then shared extensively, and successfully managed to curb the criticisms and hate towards the company, which gradually brought the organization back

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