7. A bag contains 7 green marbles, 9 red marbles, 10 orange marbles, 5 brown marbles, and 10 blue marbles. You choose a marble, replace it, and choose again. What is P(red, then blue)? (1 point)
seventy-seven over one hundred sixty-four
nineteen over forty-one
ninety over one thousand six hundred eighty-one
forty-five over forty-one

Question

7.   A bag contains 7 green marbles, 9 red marbles, 10 orange marbles, 5 brown marbles, and 10 blue marbles. You choose a marble, replace it, and choose again. What is P(red, then blue)?  (1 point)
seventy-seven over one hundred sixty-four
nineteen over forty-one 
ninety over one thousand six hundred eighty-one
forty-five over forty-one

anonymous · Answer

70/1681

anonymous · Answer

That isn't an answer choice though.

anonymous · Answer

im sorry its 90/1681 i had that question

dan815 · Answer

since you are replacing it, you are always seeing the same scenario whether u pick the first time or the 100th time

anonymous · Answer

Ok thank you both.