Question

Sam picked a card from a standard deck. What is the probability that Sam picked a heart or a king?

one over thirteen

sixteen over fifty two

seventeen over fifty two

sixteen over fifty three

Answer 1

so, how many cards are possible in the event? how many hearts/kings are there in total?

Answer 2

i know theres 52 cards in a deck, and 4 cards of each number. and 4 suits. i just cant remember the number of cards in each suit.

Answer 3

52/4 cards in each suit

Answer 4

Ohh 13.

Answer 5

so, 13 hearts, and 4 kings ... but we already count a king in the hearts so we cant reasonable count it again

Answer 6

So, do i do 26/52?

Answer 7

16, but yeah

Answer 8

Oh. So its the third one.

Answer 9

17/52 is not 16/52

you should really write your options in mathical notation

Answer 10

a formula they use is:\[P(A)+P(B)-P(A\cap B)\]

Answer 11

i meant the second. i dont know why i said third ;c

Answer 12

\[\frac{13}{52}+\frac{4}{52}-\frac{1}{52}\]

Answer 13

\[\frac{ 16 }{ 52 }\]

Answer 14

good

Answer 15

Thanks!