A bag contains 3 green marbles, 3 blue marbles, and 4 red marbles, what is the probability that a red marble is randomly chosen, replaced, and then another red marble is randomly chosen the second pick?
1 Answer
Mar 18, 2018
Explanation:
#"the total marbles in the bag "=3+3+4=10#
#rArrP("red")=4/10=2/5#
#"this marble is replaced so we have the same situation"#
#rArrP("red")=4/10=2/5#
#rArrP("red/red")=2/5xx2/5=4/25#
