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4 years ago

. Which ordered pair in the form (a, b) is a solution of this equation? 4a – 5b = 24 A. (0, 6) B. (6, 0) C. (–5, –2) D. (–2, –5)

1 answer:

7 0

The correct answer among all the other choices is B. (6, 0). This <span>ordered pair in the form (a, b) is a solution of the equation 4a – 5b = 24. I got it by letting 4a = 24 + 5b. Then substitute it to solve. </span>Thank you for posting your question. I hope this answer helped you. Let me know if you need more help.

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We need to remember that we have independent events when a given event is not affected by previous events, and we can verify if two events are independnet with the following equation:

$P(A \cap B) = P(A) *P(B)$

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And we see that $0.0002 \neq P(A \cap B)$

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Step-by-step explanation:

For this case we can define the following events:

A= In a certain computer a memory failure

B= In a certain computer a hard disk failure

We have the probability for the two events given on this case:

$P(A) = 0.01 , P(B) = 0.02$

We also know the probability that the memory and the hard drive fail simultaneously given by:

$P(A \cap B) = 0.0014$

And we want to check if the two events are independent.

We need to remember that we have independent events when a given event is not affected by previous events, and we can verify if two events are independnet with the following equation:

$P(A \cap B) = P(A) *P(B)$

For this case we have that:

$P(A) *P(B) = 0.01*0.02= 0.0002$

And we see that $0.0002 \neq P(A \cap B)$

So then we can conclude that the two events given are not independent and have a relationship or dependence.

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3 years ago