Total No. Of cards =52
No. Of cards for each suit = 13
Total types Of French suit = 4
For this conditional case of selecting all four same suit,it can be either hearts or spades or clubs or diamonds
So Total no. Of conditional case= no. of case of selecting all four cards of hearts suit +spades suit + clubs suit + diamonds suit.
Total no. of case
So, probability of getting all four cards of the same suit
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