For a group of 100 randomly chosen people, compute: (a) the expected number of days of the year which are birthdays of exactly two people.(b) the expected number of days in the year which arenotbirthdays of anyone.(c) the expected number of days in the year which are birthdays of someone in the group.(d) let x be a geometric random variable with pdf: p(x=k) = qk−1p, k= 1,2,3, . ..prove that the moment-generating function of x is m(t) = pet / (1−qet), t < −logq. can you explain why m(t) does not exist if t≥ −logq?

(3x-8) or (3x+8)

step-by-step explanation:

x=6 and x=3

beep beep imma sheep

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 %