2 years ago

Name a segment parallel to bc

Mathematics

2 answers:

Archy [21]2 years ago

6 0

Do you have a picture?

Len [333]2 years ago

4 0

Try AD put a picture next time

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MA_775_DIABLO [31]

Answer:

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We see that the two terms share an x, so we can pull that out:

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Step-by-step explanation:

Let A be the event of the answer being correct and B be the event of the knew the answer.

Given: $P(A)=0.9$

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$P(B|A^{C})=0.25$

If it is given that the answer is correct , then the probability that he guess the answer $P(B|A)= 1$

By Bayes theorem , we have

$P(A|B)=\dfrac{P(B|A)P(A)}{P(B|A)P(A)+P(C|A^c)P(A^c)}$

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Hence, the student correctly answers a question, the probability that the student really knew the correct answer is 0.9730.

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