Question

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

Group of answer choices

A.100

B.40

C.25

D.250

Answer 1

The number of green marbles should expect after 400 trials = 250

Step-by-step explanation:

Given: The total number of marbles in the bag = 40

The number of green marbles in the bag = 25

The probability or chances for choosing green marble =\frac{25}{40}=\frac{5}{8}

40

25

=

8

5

In 400 trials , the number of green marbles should expect =\frac{5}{8}\times400=250

8

5

×400=250

Hence, the number of green marbles should expect after 400 trials = 250