A bag contains 40 marbles, 4 of which are blue, 10 are red, 25 are green, and 1 is purple. Shawna takes a marble out of the bag,

Question

3 years ago

12

records the color, and returns it to the bag. How many green marbles should she expect after 400 trials? (5 points)

1 answer:

Maslowich · Answer 1 · 2022-08-23T12:09:13+03:00

Maslowich3 years ago

6 0

250.

Since she returns the marble every time, the probability of drawing a green marble remains constant, which is 25/40.