he table shows the results of randomly selecting colored marbles from a bag 36 times. The marble was returned to the bag after each selection.

Question

White Red Black Blue
Number of
Times
Selected 8 14 9 5

Based on these results, what is the expected probability of randomly selecting a black marble from the bag in one attempt?
Responses

A 0.1390.139

B 0.220.22

C 0.250.25

D 0.9

Answer 1

The total number of times the marbles were selected is 36.

The number of times a black marble was selected is 9.

Therefore, the probability of randomly selecting a black marble from the bag in one attempt is 9/36 = 0.25 or 25%.

Therefore, the answer is C) 0.25 or 25%.