An automotive company designs a new type of brake pad. The lifespan of this brake pad, in terms of its effective braking capability, follows a Weibull distribution with a shape parameter k=2 and a scale parameter λ=3 (in tens of thousands of miles). What is the probability that the brake pad will require replacement within the first 20,000 miles? Determine the mileage by which 5% of these brake pads are expected to require replacement.
An automotive company designs a new type of brake pad. The lifespan of this brake pad, in terms of its effective braking capability, follows a Weibull distribution with a shape parameter k=2 and a scale parameter λ=3 (in tens of thousands of miles). What is the probability that the brake pad will require replacement within the first 20,000 miles? Determine the mileage by which 5% of these brake pads are expected to require replacement.
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Question
An automotive company designs a new type of brake pad. The lifespan of this brake pad, in terms of its effective braking capability, follows a Weibull distribution with a shape parameter k=2 and a scale parameter λ=3 (in tens of thousands of miles).
- What is the
probability that the brake pad will require replacement within the first 20,000 miles? - Determine the mileage by which 5% of these brake pads are expected to require replacement.
Expert Solution
Step 1: Introducing the probability
From the above given data the following solution is provided below:
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Follow-up Question
can you show me step by step the process on how you got (30.051293)^.5 and 0.153879?
When I calculate 3(-ln(.95))^0.5, I get 0.39227526.
Solution
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