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dusya [7]
3 years ago
10

According to the general equation for conditional probability, if P(A^B)=3/4 and P(B)=4/5, what is P(A B)?

Mathematics
2 answers:
Maksim231197 [3]3 years ago
8 0
Answer:

0.96

Explanation:

A rule of conditional probability states that

<span>P<span>(A∣B)</span>=<span><span>P<span>(A∩B)</span></span><span>P<span>(B)</span></span></span></span>

So in this case it would be:

<span>P<span>(A∣B)</span>=<span><span>45</span><span>56</span></span>=<span><span>4⋅6</span><span>5⋅5</span></span>=<span>2425</span>=0.96</span>

Vinil7 [7]3 years ago
3 0
I found that P(A B) equals 0.96
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Answer:

Step-by-step explanation:

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3 years ago
Which system of equations below has infinitely many solutions? y = –3x 4 and y = –3x – 4 y = –3x 4 and 3y = –9x 12 y = –3x 4 and
Flura [38]

the equations y = –3x + 4 and 3y = –9x + 12 have infinitely many solutions. option B is correct.

<h3>What is the linear system?</h3>

It is a system of an equation in which the highest power of the variable is always 1. A one-dimension figure that has no width. It is a combination of infinite points side by side.

Condition for the parallel lines.

L1,  ax + bx + c = 0

L2, dx + ey + f = 0

If \rm \dfrac{a}{d} = \dfrac{b}{e} = \dfrac{c}{f} then lines have infinitely many solutions.

<h3>Which system of equations below has infinitely many solutions?</h3>

y = –3x + 4 and 3y = –9x + 12

On comparing we have

a = -3 , b = 1, and c = 4

d = -9 , e = 3, and f = 12

Then their ratio will be

\rm \dfrac{1}{3} = \dfrac{-3}{-9} = \dfrac{4}{12}\\\\\rm \dfrac{1}{3} = \dfrac{1}{3} = \dfrac{1}{3}

Hence  y = –3x + 4 and 3y = –9x + 12 have infinitely many solutions.

Thus the option B is correct.

More about the linear system link is given below.

brainly.com/question/20379472

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