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devlian [24]
3 years ago
13

Please answer this question

Mathematics
1 answer:
Bogdan [553]3 years ago
3 0
C=(1/4)*circumference
Area=pq+3.142r^2
60*3.142=pq+3.142p^2
q=((1/4)*2p*3.142)+2*3.142
q=1.571p+6.284
188.52=1.571p^2+6.284p+3.142p^2
188.52=4.713p^2+6.284p
188520=4713p^2+6284p
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Step-by-step explanation:

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step-by-step explanation:

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oksian1 [2.3K]

Answer:

0.36 = 36% probability that the land has oil and the test predicts it

Step-by-step explanation:

Conditional Probability

We use the conditional probability formula to solve this question. It is

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In which

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P(A \cap B) is the probability of both A and B happening.

P(A) is the probability of A happening.

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This means that P(A) = 0.45

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This means that P(B|A) = 0.8

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