Ten cards numbered 1 through 10 are placed in a box, mixed up throughly and then one card is dra...

preview_player
Показать описание
Ten cards numbered 1 through 10 are placed in a box, mixed up throughly and then one card is drawn randomly. If it is known that the number on the drawn card is more than 3 , what is the probability that it is an even numbe: ?
Рекомендации по теме