Which of the following statements is(are) always true? a. -1 ...

[mcmcdaniel]

Which of the following statements is(are) always true?
 a. -1  P(Ei)  1
  b. P(A) = 1  P(Ac)
  c. P(A) + P(B) = 1
  d. both P(A) = 1  P(Ac) and P(A) + P(B) = 1

Question 2

If the coefficient of determination is a positive value, then the coefficient of correlation
 a. must also be positive
  b. must be zero
  c. can be either negative or positive
  d. must be larger than 1

[janeli]

Answer to Question 1

b

Answer to Question 2

C

[mcmcdaniel]

Gracias!

[mcabuhat]

Thanks for the timely response, appreciate it