In Exercise 5.12, we were given the following joint probability density function for the random variables Y₁ and Y₂, f(y₁, y2) = For the two chemicals under consideration, an important quantity is the total proportion Y₁ +Y₂ found in any sample. Find E(Y₁ + Y₂) and V (Y₁ + Y₂). which were the proportions of two components in a sample from a mixture of insecticide: Reference Let Y₁ and Y₂ denote the proportions of two different types of components in a sample from a mixture of chemicals used as an insecticide. Suppose that Y₁ and Y₂ have the joint density function given by f(y₁, y2): 2, 0≤ y ≤ 1,0 ≤ y ≤ 1,0 ≤ y₁ + y2 ≤ 1, 0, elsewhere. = [2, 0≤ y ≤ 1,0 ≤ y ≤ 1,0 ≤ y + y₂ ≤ 1, elsewhere. a P(Y₁ ≤ 3/4, Y₂ ≤ 3/4). b P(Y₁ ≤ 1/2, Y₂ ≤ 1/2). Lo. (Notice that Y₁ + Y₂ ≤ 1 because the random variables denote proportions within the same sample.) Find

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In Exercise 5.12, we were given the following joint probability density function for the random variables
Y₁ and Y₂,
f(y₁, y₂) =
Reference
For the two chemicals under consideration, an important quantity is the total proportion Y₁ +Y₂
found in any sample. Find E(Y₁ + Y₂) and V (Y₁ + Y₂).
which were the proportions of two components in a sample from a mixture of insecticide:
2, 0≤ y ≤ 1,0 ≤ y ≤ 1,0 ≤ y + y2 ≤ 1,
0, elsewhere.
Let Y₁ and Y₂ denote the proportions of two different types of components in a sample from a mixture
of chemicals used as an insecticide. Suppose that Y₁ and Y₂ have the joint density function given by
f(y₁, y2) =
2, 0≤ y ≤ 1,0 ≤ y ≤ 1,0 ≤ y + y₂ ≤ 1,
{²:
0, elsewhere.
(Notice that Y₁ + Y₂ ≤ 1 because the random variables denote proportions within the same
sample.) Find
a P(Y₁ ≤ 3/4, Y₂ ≤ 3/4).
b P(Y₁ ≤ 1/2, Y₂ ≤ 1/2).
Transcribed Image Text:In Exercise 5.12, we were given the following joint probability density function for the random variables Y₁ and Y₂, f(y₁, y₂) = Reference For the two chemicals under consideration, an important quantity is the total proportion Y₁ +Y₂ found in any sample. Find E(Y₁ + Y₂) and V (Y₁ + Y₂). which were the proportions of two components in a sample from a mixture of insecticide: 2, 0≤ y ≤ 1,0 ≤ y ≤ 1,0 ≤ y + y2 ≤ 1, 0, elsewhere. Let Y₁ and Y₂ denote the proportions of two different types of components in a sample from a mixture of chemicals used as an insecticide. Suppose that Y₁ and Y₂ have the joint density function given by f(y₁, y2) = 2, 0≤ y ≤ 1,0 ≤ y ≤ 1,0 ≤ y + y₂ ≤ 1, {²: 0, elsewhere. (Notice that Y₁ + Y₂ ≤ 1 because the random variables denote proportions within the same sample.) Find a P(Y₁ ≤ 3/4, Y₂ ≤ 3/4). b P(Y₁ ≤ 1/2, Y₂ ≤ 1/2).
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