contestada

If a hotel has 20 king-size beds, 50 queen -size beds, 100 double beds and 30 twin beds available, what is P that you will be given a queen-size or twin bed when you register?PLEASE SOLUTION

Respuesta :

Total # of beds is 20 + 50 + 100 + 30, or 200.

Assuming that bed assignments are independent,

P(q-sized bed or twin bed) = 50/200 + 30/200 = 80/200= 2/5 (answer)