Your electric bill has been as follows for the past six months: july: $78.56 august: $30.21 september: $81.20 october: $79.08 november: $66.18 december: $100.75 what was your monthly average over the past six months?

step-by-step explanation:

hunhgunyt7 in u uuuhiuteu

answer:   35 % is the probability of a late departure or an early arrival.

step-by-step explanation:

let l represents the late departure and e represents the early departure.

then, according to the question,

p(l) = 12 %,   p(e) = 27 % and = 4 %

and, we have to find out,

but, we know that,

which is the required equation that will use to find the probability of a late departure or an early departure.

therefore,   the probability of a late departure or an early arrival =   35 %