Let N be the last digit of your student number. Let X and Y be two continuous random variables that have the correlation coefficient c=0.1(N+1). Which of the following statements are true? (Wrongly ticked answers will reduce your marks in this question) a. X and Y are statistically independent. O b. The sum of E[X] and E[Y] is equal to E[X+Y]. The sum of Var(X) and Var(Y) is O c.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.6: The Inverse Trigonometric Functions
Problem 91E
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N=2
Let N be the last digit of your student
number. Let X and Y be two continuous
random variables that have the correlation
coefficient c=0.1(N+1). Which of the
following statements are true? (Wrongly
ticked answers will reduce your marks in
this question)
O a. X and Y are statistically
independent.
O b. The sum of E[X] and E[Y] is equal
to E[X+Y].
O c.
O d.
The sum of Var(X) and Var(Y) is
equal to Var (X+Y).
X and Y are positively correlated.
Oe. X and Y are negatively correlated.
Transcribed Image Text:Let N be the last digit of your student number. Let X and Y be two continuous random variables that have the correlation coefficient c=0.1(N+1). Which of the following statements are true? (Wrongly ticked answers will reduce your marks in this question) O a. X and Y are statistically independent. O b. The sum of E[X] and E[Y] is equal to E[X+Y]. O c. O d. The sum of Var(X) and Var(Y) is equal to Var (X+Y). X and Y are positively correlated. Oe. X and Y are negatively correlated.
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