Answer:
Step-by-step explanation:
Given that X is the number of months between successive payments
Cumulative distribution function of X is

a) PMF of x would be

b) 
E: two and two fifths
F: two and 2 fifths
G:three and 4 fifths
H:3 and one half
Answer:
idk theother formulas besides the first so here I will just answer what ik to attempt to help
Step-by-step explanation:
rise over run
rise/run
Answer:
31
Step-by-step explanation:
(12)(1) + 20 - (1)
12 + 20 - 1
32 - 1
31