Math Problem Statement

Jika Y₁ dan Y₂ adalah peubah acak kontinu dengan fungsi kepekatan peluang bersama sbb :

fr1.12(91, 92) = СУ192, 10 Y1 <20,0 < 2 <3 0,

(a) Tentukan c

(b) Hitung P(Y₁ > 15, Y2 <1)

Solution

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Math Problem Analysis

Mathematical Concepts

Probability Theory
Continuous Random Variables
Joint Probability Density Function

Formulas

f_{Y_1,Y_2}(y_1, y_2) = c, 10 < y_1 < 20, 0 < y_2 < 3
∫∫ f_{Y_1,Y_2}(y_1, y_2) dy_1 dy_2 = 1
P(Y₁ > 15, Y₂ < 1) = ∫∫ f_{Y_1,Y_2}(y_1, y_2) dy_1 dy_2

Theorems

Joint Probability Density Function
Normalization Condition

Suitable Grade Level

Undergraduate (First Year)