Answer:
a) 0.1429
b) 0.2667
c) 0.3067
d) 0.3524
Step-by-step explanation:
Blue = 6
Gray = 7
Black = 2
Number of socks = 15
a) 2 blue socks.
The probability of getting two consecutive blue socks is:
b) no gray socks.
The probability of getting no grey socks with two picks is:
c) at least 1 black sock.
The probability of getting at least one black sock is:
d) matching socks.
The probability of getting matching socks is the sum of the probabilities of getting 2 black, 2 blue or 2 gray socks:
