Engineering, 20.07.2021 14:00 welcome00

Two coins R and S are tossed. The 4 joint events HRHS, TR TS, HR TS, TR HS have probabilities 0.28, 0.18, 0.30, 0.24, respectively, where H represents head and T represents tail. Which one of the following is TRUE? A.  The coin tosses are independent
B.  R is fair, R it not.
C.  S is fair, R is not
D.  The coin tosses are dependent

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Two coins R and S are tossed. The 4 joint events HRHS, TR TS, HR TS, TR HS have probabilities 0.28,...