Question 1120822
<br>
A) choose 4 of the 28 apartments, choosing 4 of the 20 2-bedroom apartments and 0 of the 8 3-bedroom apartments:<br>
((20C4)*(8C0))/(28C4) = (4845*1)/20475 = 4845/20475 = 323/1365 = 0.2366 to 4 decimal places.<br>
B) choose 4 of the 28 apartments, choosing 2 of the 20 2-bedroom apartments and 2 of the 8 3-bedroom apartments:<br>
((20C2)*(8C2))/(28C4) = (190*28)/20475 = 5320/20475 = 152/585 = 0.2598 to 4 decimal places