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July 22nd, 2015, 06:53 AM   #1
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Need help reading formula

Hi all,

I am having serious trouble trying to read the formula attached. If someone could explain to me what it means in English I would be extremely grateful.

I know what most of the variables are but I am wondering if the P has a mathematical meaning?
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July 22nd, 2015, 01:32 PM   #2
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Quote:
Originally Posted by garyd View Post
Hi all,

I am having serious trouble trying to read the formula attached. If someone could explain to me what it means in English I would be extremely grateful.

I know what most of the variables are but I am wondering if the P has a mathematical meaning?
P (in this context) means probability.
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July 23rd, 2015, 10:46 AM   #3
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That says that the probability that the value of MTBF lies between those two fractions of MTBF (which depend upon $\displaystyle \alpha$) is less than $\displaystyle 1- \alpha$.
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July 23rd, 2015, 04:29 PM   #4
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That says that the probability that the value of MTBF lies between those two fractions of MTBF (which depend upon $\displaystyle \alpha$) is less than $\displaystyle 1- \alpha$.
Typo. Should be $\displaystyle \ge 1-\alpha$.
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