Question

a bag contain 4 red, 3white,and blue marbles are drawn at random . Determined the number of ways to selecting at least one marble​

Answer 1

Answer:

Number of ways of selecting at least one white marble

= Total number of ways to select 3 marbles - Total number of ways to select 3 marbles such that no white marble is selected.

= 9c3 - 6c3

because there are 9 total marbles and 6 non white marbles

= 84 - 20

= 64

Step-by-step explanation: