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3 years ago

80x 180x8x 5x 7x 9x 2 x 1 x5 x 3 x6 x4 x3 x6 x8 + 9 - 2 Divided by 6

Mathematics

1 answer:

Anika [276]3 years ago

8 0

180x80=14400x8=115,200x5=576,000x6=1,728,000x6=10,368,000x4=

41,472,000x3‬=124,416,000x6=746,496,000=5,971,968,000‬+9=5,971,968,009-2=5,971,968,007/6=995,328,001.1666667

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We have events:

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and probabilities:

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We want to calculate the probability that the student lives in the school dormitory given he receives As so it will be $P(D|A)$ . From the Bayes' theorem we know that:

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So our probability:

$P(D|A)=\dfrac{P(A|D)P(D)}{P(A)}=\dfrac{0.3\cdot0.6}{0.26}=\dfrac{0.18}{0.26}=\boxed{\frac{9}{13}}$

Answer D.

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3 years ago

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$▪▪▪▪▪▪▪▪▪▪▪▪▪ {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪$

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