Question

All the cards from three small bags are put together in one large bag. Twenty cards are numbered 2, the probability....(IMG included)

Answer 1

probablity?? hmmmmmmm...
it will be 1/2

Answer 2

Some previous information from the question that might help you:
3(a) Three bags contain a large number of cards. The cards in the first bag are all numbered 1. The cards in the second bag are all numbered 2. The cards in the third bag are all numbered 4.

3(b) There are 95 cards in the bag. Twenty cards are numbered 2. The probability of selecting a card numbered 4 from the bag is twice the probability of selecting a card numbered 2. How many of the cards are numbered 1?

Answer 3

Is the answer to 3(b) 35 cards? (35 cards numbered 1) because there are 20 cards numbered 2 and 40 cards numbered 4 (if the probability is twice that of cards numbered 2) which adds up to make 60 cards. Subtract 60 from 95 to give 35?? Is this correct?

Answer 4

yeah 35