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(B) When three coins are tossed,the sample space $S$ is given by:$S = \{HHH, HHT, HTH, HTT, THH, THT, TTH, TTT\}$Accordingly,the events are:$A = \{HHH

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$B$ and $D$

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(B) When three coins are tossed,the sample space $S$ is given by:$S = \{HHH, HHT, HTH, HTT, THH, THT, TTH, TTT\}$Accordingly,the events are:$A = \{HHH\}$$B = \{HHT, HTH, THH\}$$C = \{TTT\}$$D = \{HHH, HHT, HTH, HTT\}$An event is called a compound event if it contains more than one sample point.- Event $A$ has $1$ sample point (simple event).- Event $B$ has $3$ sample points (compound event).- Event $C$ has $1$ sample point (simple event).- Event $D$ has $4$ sample points (compound event).Thus,$B$ and $D$ are compound events.

Three coins are tossed once. Let $A$ denote the event 'three heads show',$B$ denote the event 'two heads and one tail show',$C$ denote the event 'three tails show' and $D$ denote the event 'a head shows on the first coin'. Which events are compound?

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