Respuesta :
2 cards selected from a standard 52 card deck
P(1st card is a heart) = 13/52....because there are 13 hearts in a deck of cards
the card is replaced
P(2nd card is a 9) = 4/52 which reduces to 1/13
so the probability of both events happening is : 13/52 * 1/13 = 1/52 <=
P(1st card is a heart) = 13/52....because there are 13 hearts in a deck of cards
the card is replaced
P(2nd card is a 9) = 4/52 which reduces to 1/13
so the probability of both events happening is : 13/52 * 1/13 = 1/52 <=