( + )sl Sunz bt-so{nLi^t

b) P(oo-ics Y..100*) = o St(a) F-

$ = -+t =+=#=2X -F = lr+ezs

n z - u -

jt) 1t""e i< 1o "ffect- asi Saboca"dgbBlcr^r.I

E (X) = -2x0 \ t -\xQ.J +Q *0.3 t 1,.0.2 rlexl.r +!x6. !

= -o .2 -a .2+o . /+02+0 .3 = 03

r(roo-k-too < Y< t00tk-r00) =o.Sr6._lz_ ^ ____G_ /n f , t \Y \ -Ye< Lr \ , ) = o .s t6

-Ytt

PL%) - 4{'e;):; -o sted(z;- 1t-o{z;));o,sr6

lurl__t = osr.-fr(%)= o.lsg

d)#.)g

lhoq are eeuaLtya ' e fu, frw H^.ryr+r,

ll

N A t - \ o rp ) _ : _ _ e , l 1 l

4", I lgi3 :-3+.S- tjsr"t^J,t- =++6

=g

&= Z: - b 1i = .!4 1 0.968" T6^^ lo to

= iQ,,.r (arp)