Question

Ritesh has a costume shop. He currently has 6 yellow, 4 red, 2 black, and 3 blue shirts of the same size. He picks 2 shirts randomly for the new costume design. What is the probability that either both shirts are black or blue? 1/35
2/105
4/105
1/15

Answer 1

Answer:

1/3

Step-by-step explanation:

=>(2 + 3) /(6 + 4 + 2 + 3)

=>5/15

=>1/3

Answer 2

Answer:

c: 4/105

Step-by-step explanation:

Both black or both blue

Total shirts = 15

There are 2 black and 3 blue shirts

Probability for 2 black shirts =2/15×1/14=1/105

Probability for 2 blue shirts =3/15×2/14=1/35

Total Probability =1/105+1/35=4/105