If p.m.f. of a d.r.v. X takes values 0, 1, 2, 3, … which probability P(X = = k(x +1) . 5-x, where k is a constant, then P(X = 0) =
A. \(\frac{7}{25}\)
B. \(\frac{16}{25}\)
C. \(\frac{18}{25}\)
D. \(\frac{19}{25}\)
Answer:B
If p.m.f. of a d.r.v. X takes values 0, 1, 2, 3, … which probability P(X = = k(x +1) . 5-x, where k is a constant, then P(X = 0) =
A. \(\frac{7}{25}\) B. \(\frac{16}{25}\) C. \(\frac{18}{25}\) D. \(\frac{19}{25}\)