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2 years ago

The meteorologist says that it is hot outside. The weather characteristic being described is?

Geography

1 answer:

4vir4ik [10]2 years ago

3 0

The characteristic is Temperature

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You are told that PA I B) = PBIA). Which statement below must be true?

ivann1987 [24]

Answer:

A and B are equally likely

Explanation:

The conditional probability is defined as follows:

$P(X|Y)=\frac{P(X\cap Y)}{P(Y)}$

where:

$P(X|Y)$ is the probability for X to occur, given that Y has occurred

$P(X\cap Y)$ is the probability that both X and Y occur at the same time

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Given two events A and B, we have:

$P(A|B)=\frac{P(A\cap B)}{P(B)}$

and

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In this problem, we are told that

$P(A|B)=P(B|A)$

Which means that:

$\frac{P(A\cap B)}{P(B)}=\frac{P(A\cap B)}{P(A)}$

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$P(A)=P(B)$

which means that A and B are equally likely.

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What is emitted by a light source

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3 years ago

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