3 years ago

Hey can anyone pls answer dis math question!!!!!!!!!!!

Mathematics

1 answer:

Vanyuwa [196]3 years ago

6 0

Answer: jfjdjsjsdfkfkkdkwowowwllwlwl

Step-by-step explanation: jjcsmmssmwkkwldlclvpfc. Cidkss

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Step-by-step explanation:

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An aircraft seam requires 30 rivets. The seam will have to be reworked if any of these rivets is defective. Suppose rivets are d

Lyrx [107]

Answer:

a. 0.00783

b. 0.003876

Step-by-step explanation:

The computation is shown below;

a. The probability for the rivet to be defective is

Let us assume A is the event for seam failure and B would be event for rivets failure

Now

a) $P[A] = 1 - P[B']^{30}$

$0.21 = 1 - P[B']^{30}$

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$P[B'] = 0.79^{\frac{1}{30}}$

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b) Now the Next one is

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= 1 - P[B']

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We simply applied the above formula so that each one part could be calculated i.e the probabilities of the given question

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3 years ago