Acommuter has $245 in his commuter savings account. this account
changes by -$15 each week he buys a ticket. in one time period, the
account changed by -$ for how many weeks did the commuter buy tickets?

me! what did you put for this question?

step-by-step explanation:

step-by-step explanation:

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 %