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Vilka [71]
3 years ago
7

According to the general equation for conditional probability if P(A^B) =3/10

Mathematics
1 answer:
dlinn [17]3 years ago
3 0
The correct answer for the question that is being presented above is this one: "A. (3/8)." According to the general equation for conditional probability <span>if P(AupsidedownuB) = (3/10) and P(B)= (2/5), then P(A|B) is 3/8.</span>
Here are the following choices:
<span>A. (3/8)
B. (1/2)
C. (3/4)
D. (1/16)</span>
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Answer: The numbers are 1 and 3.

Step-by-step explanation:

Let x = smaller number , y= larger number.

As per given,

x=\dfrac{y}{3}   ...(i)

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Put value of x from (i) in (ii)

\dfrac{y}{3}+y=y^2-5\\\\\Rightarrow\ \dfrac43y=y^2-5\\\\\Rightarrow\ 3y^2-4y-15=0\\\\\Rightarrow\ 3y^2-9y+5y-15=0\\\\\Rightarrow\ 3y(y-3)+5(y-3)=0\\\\\Rightarrow\ (y-3)(3y+5)=0\\\\\Rightarrow\ y=3 \ \ or\ y=\dfrac{-5}{3}

Since numbers are positive , so y=3 is correct.

And x will be 1  [from (i)]

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Step-by-step explanation:

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