An automobile manufacturer is concerned about a fault in the braking mechanism of a particular model.The fault on rare occasions causes a catastrophe at high speed. Assume that the distribution of the numberof cars per year will experience the fault is 8 on the average, find the probability that (a) at most 3 cars peryear will experience a catastrophe, (b) more than 1 car per year will experience a catastrophe.

given, distribution number of cars per year =8 on average

Answered: An automobile manufacturer is concerned…

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter2: Introduction To Spreadsheet Modeling

Section: Chapter Questions

Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...

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The director of research and development is testing a new drug. She wants to know if there is evidence at the 0.02 level that the drug stays in the system for less than 368 minutes. For a sample of 78 patients, the mean time the drug stayed in the system was 363 minutes. Assume the variance is known to be 529. State the null and alternative hypotheses for the above scenario.
No Pain Corp Omar Amman, the CEO of No Pain Corp (NPC), is under stress. They produce transcutaneus electrical nerve simulation units (TENS) for pain control. Amman faces a new opportunity and is not sure how to go about it. Recently, the the Department of Health of Canada has approved low current TENS devices to be sold directly to consumers without a doctor’s note. This will come into effect in three months. In the past, one needed a doctor’s note and could rent the device from some companies. These TENS machines, as they are called in Canada, are popular, since the older population has found them to be effective in pain control with almost no side effects. Amman can sell the device via drug-stores and pharmacies as well as on Amazon. But, Amman is not sure. Amman used to work as a supply chain manager for a power-tool company. Back then, it was a huge logistical “pain,” no pun intended, to work with large retailers and to attend to their fulfilment needs. Those retailers used to…
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