Question 856341
The probability of the first card is 1 (any one will do).
Card 2 probability is 3*13/51 = 13/17.
Card 3 probability is 2*13/50 = 13/25.
Card 4 probability is 13/49 = 13/49
.
13^3/(17*25*49)
=2197/20825
=~ 0.1055
.
Ed