Question 366972
a.  {{{(matrix(2,1,8,3))*0.30^3*0.70^5 = 0.2541}}}
b.  {{{1-(matrix(2,1,8,0))*0.30^0*0.70^8 -(matrix(2,1,8,1))*0.30^1*0.70^7 -(matrix(2,1,8,2))*0.30^2*0.70^6 = 1-0.5518 = 0.4482}}}