A special deck of cards has 3 blue cards, and 7 orange cards. The blue cards are numbered 1,2, and 3 . The orange cards are numbered 1,2,3,4,5,6 and 7 . The cards are well shuffled and you randomly...

A special deck of cards has 3 blue cards, and 7 orange cards. The blue cards are numbered 1,2, and 3 . The orange cards are numbered 1,2,3,4,5,6 and 7 . The cards are well shuffled and you randomly draw one card.
B= card drawn is blue
0 = card drawn is odd numbered
A. How many elements are there in the sample space ? ____
B . P(B) = _____