2 years ago

WHAT IS 2(X) . Y= Y+ 56- 12 TO SECOND POWER ( THIS IS 4 U CHAD)

Mathematics

1 answer:

Galina-37 [17]2 years ago

7 0

Answer:

hmmmm m really sorry

Step-by-step explanation:

no idea

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Please helpppp it has to do with P(A U B)

Katyanochek1 [597]

$P(A)=0.5$ , $P(B)=0.6$ , $P(A\cup B)=0.8$

We find the probability of intersection using the inclusion/exclusion principle:

$P(A\cap B)=P(A)+P(B)-P(A\cup B)=0.3$

By definition of conditional probability,

$P(A\mid B)=\dfrac{P(A\cap B)}{P(B)}=\dfrac{0.3}{0.6}=0.5$

For $A$ and $B$ to be independent, we must have

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

in which case we have $0.3=0.5\cdot0.6$ , which is true, so $A$ and $B$ are indeed independent.

Or, to establish independence another way, in terms of conditional probability, we must have

$P(A\mid B)\cdot P(B)=P(A)\cdot P(B)\implies P(A\mid B)=P(A)$

which is also true.

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3 years ago

Evaluate: 8-2 3-3 A) - 9 16 B) 27 64 C) 16 9 D) 64 27

Natalija [7]

The answer to the question is c. If you are in multiplying, 8(2)= 16 & 3(3)= 9

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3 years ago

Read 2 more answers

Mary can read 10 pages in 20 minutes how fast can she read

Zanzabum

Answer:

Mary can read one page per two minutes.