Kizspy | Question: 22
(Choose 1 answer)
(See picture)
A. (i)
B. (ii)
C. (iii)
D. (iv)
The probability density function of the time customers arrive at a terminal (in minutes after 9:00 A.M.) is given by
f(x)=\frac{1}{9}e^{-x/9}, x>0.
Determine the cumulative distribution function F(x).
(i) 1-e^{-x/9}; x>0
(ii) 1-(1/9)e^{-x/9} , x>0
(iii) e^{-x/9}, x>0
(iv) (1/9)e^{-x/9}, x>0
