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ASQ CSSBB Exam - Topic 7 Question 94 Discussion

Actual exam question for ASQ's CSSBB exam
Question #: 94
Topic #: 7
[All CSSBB Questions]

The formula for reliability during constant failure rate conditions is:

Use this formula to find the reliability of a product at 800 hours if MTBF = 600 hours.

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Suggested Answer: D

by Staci at Aug 02, 2024, 11:39 AM

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Suzan
3 months ago
I thought it would be higher, honestly.
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Goldie
3 months ago
Totally agree, 0.37 makes sense for 800 hours.
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Veronika
3 months ago
Wait, are you sure about that? Seems low.
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Joni
4 months ago
I calculated it too, and I got 0.37!
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Abel
4 months ago
The formula is R(t) = e^(-t/MTBF).
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Mabel
4 months ago
I vaguely remember that the reliability decreases as time increases, so maybe the answer is one of the lower options like 0.26 or 0.37.
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Heidy
4 months ago
I feel like I should be able to calculate this, but I’m confused about the exponent part. Does it really just involve plugging in the numbers?
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Caitlin
4 months ago
I think I practiced a similar question, and I got a number around 0.37, but I can't recall if that was for 600 hours or something else.
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Merrilee
5 months ago
I remember the reliability formula is R(t) = e^(-t/MTBF), but I'm not sure how to apply it for 800 hours.
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Felicia
5 months ago
Okay, I've got it. The reliability formula is R(t) = e^(-t/MTBF), where t is the time and MTBF is the mean time between failures. Plugging in the values, I get 0.87. Looks like A is the correct answer.
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Arletta
5 months ago
This looks straightforward. I'll just plug in the values and see which answer choice matches my calculation. The MTBF is 600 hours, and the time is 800 hours, so the reliability should be around 0.78.
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Jerrod
5 months ago
Hmm, I'm a little unsure about this one. I remember the formula, but I'm not sure if I'm supposed to use the given time or the MTBF in the exponent. Let me think this through step-by-step.
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Micheal
5 months ago
Okay, I think I've got this. The formula for reliability under constant failure rate conditions is R(t) = e^(-t/MTBF). So I just need to plug in the values and calculate.
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Ahmad
5 months ago
Wait, I'm confused. Is the reliability the same as the probability of failure? I thought they were different concepts. I better review my notes on reliability calculations before attempting this.
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Diane
5 months ago
I feel pretty confident about this one. I've covered this material in my studies, so I should be able to identify the three correct answers without too much trouble.
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Jerry
5 months ago
I'm a little unsure about how to best extract the SSID from the return_val data. I'll need to spend some time carefully analyzing the structure to make sure I'm pulling the right information. But I think I can figure this out.
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Ula
5 months ago
I'm not entirely sure about the shadow price concept. I think it relates to the contribution from an extra unit of a scarce resource, but I'm a bit hazy on the details.
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Christiane
10 months ago
Ha! I bet the answer is D. 0.26. Just kidding, I know it's A. Gotta keep a sense of humor, right? Now, where's the coffee...
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Stephen
9 months ago
Actually, I believe it's C) 0.37.
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Pete
9 months ago
No way, it's definitely B) 0.78.
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Zachary
10 months ago
I think the answer is A) 0.87.
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Gerald
10 months ago
Alright, time to put on my thinking cap. Okay, got it! The formula is R = e^(-t/MTBF), and with the given values, it comes out to 0.87. Nice and simple, just the way I like it.
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Louisa
9 months ago
User 4: I think it's E) none of the above, let's double-check the formula.
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Sabina
9 months ago
User 3: I agree with Paul, A) 0.87 seems correct.
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Paul
9 months ago
User 2: Are you sure about that? I think it might be B) 0.78
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Ngoc
10 months ago
User 1: The answer is A) 0.87
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Carman
10 months ago
Wait, what? How did you guys get 0.87? I calculated it as 0.78. *scratches head* Maybe I'm missing something here...
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Heike
11 months ago
Hmm, I'm not sure about this one. Let me double-check the formula... Yep, A is the right choice. Nailed it!
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Edmond
9 months ago
Hmm, I'm not sure about this one. Let me double-check the formula... Yep, A is the right choice. Nailed it!
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Jimmie
10 months ago
Great job! A is the correct answer.
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Fabiola
10 months ago
I'm pretty confident it's A) 0.87
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Freeman
10 months ago
I think it's A) 0.87
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Lynda
10 months ago
Are you sure? I'm leaning towards B) 0.78
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Julieta
10 months ago
I think it's A) 0.87
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Coral
11 months ago
Alright, let's see... R = e^(-t/MTBF), so plugging in the values, we get R = e^(-800/600) = 0.87. Looks like A is the correct answer!
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Stevie
11 months ago
I'm not sure, but I think the formula involves MTBF and failure rate.
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Karl
11 months ago
I disagree, I believe the answer is B) 0.78.
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Alex
11 months ago
I think the answer is A) 0.87.
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