Question

A bag contain 6 red marble , 2 white narbles, and 1 gray marble. you randomly pick out a marble, record its color, and put it back in the bag. you repeat this process 45 times. How many white or gray marble do you expect to ger

Answer 1

White : 45 × 2

Gray : 45 × 1

I'm so sorry if it's wrong!

I believe it's wrong but It's the best answer I could give on my own.

White = 90

Gray = 45