Respuesta :
The probability that Dan draws out blue marbles on both draws with replacement is 1/9.
What is the probability?
Probability is the odds that an event would happen. The odds of an event happening lies between 0 and 1.
The probability that Dan draws out blue marbles on both draws = (total number of blue marbles / total number of marbles) x (total number of blue marbles / total number of marbles)
7/21 x 7/21 = 1/9
To learn more about probability, please check: https://brainly.com/question/13234031
#SPJ2