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N76 [4]
3 years ago
14

Solve for x. 6 - 4x = -22

Mathematics
1 answer:
Kitty [74]3 years ago
8 0

Answer:

x = 7

Step-by-step explanation:

6 - 4x = -22

-6          - 6

-4x = -28

x = -28/-4

x = 7

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Answer:

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Step-by-step explanation:

Define the events:

A: The element comes from A.

B: The element comes from B.

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We are given that P(A) = 0.25, P(B) = 0.35, P(C) = 0.4. Recall that since the element comes from only one of the machines, if an element is defective, it comes either from A, B or C. Using the probability axioms, we can calculate that

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We are told to calculate P(A|D), then using the formulas we have

P(A|D) = \frac{P(A\cap D)}{P(D)}= \frac{P(D|A)P(A)}{P(D)}= \frac{0.05\cdot 0.25}{0.0345}= 0.36231884

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