Question

A bag contain 4 white and 2 black balls of same size and weight and two ballsare selected at random without replacement the possible selections are

Answer 1

Answer:

Step-by-step explanation:

white + black = total

4 + 2 = 6 sample space 6c2 =15

a) both are white favorable 4c2 =6

probability =favorable/ sample space =6/15 =2/5

b)both are same color

options are both white or both black

for white 4c2=6

and for black 2c2=1

probability of same color =6/15 +1/15=7/15

c)both are different color

1 white and 1 black = 4/6X2/6=8/36

or

1 black and 1 white =2/6X4/6=8/36

result will be 8/36+8/36=16/36=4/9

answer a) 2/5

b) 7/15

c) 4/9

Answer 2

its true answer is 15

Step-by-step explanation:

I hope this is helpful for you.