Answer to Question #350531 in Statistics and Probability for Raulz

Question #350531

suppose there are four people to tested in covid 19. let P represent positive N represent negative and Z represent the number of infected persons that occur.Find the random variable Z


1
Expert's answer
2022-06-15T16:34:22-0400

S={PPPP,PPPN,PPNP,PNPP,NPPP,S=\{PPPP, PPPN, PPNP, PNPP, NPPP,

PPNN,PNPN,PNNP,NPNP,NPPN,NNPP,PPNN,PNPN, PNNP, NPNP, NPPN, NNPP,

PNNN,NPNN,NNPN,NNNP,NNNN}PNNN, NPNN, NNPN, NNNP, NNNN\}

The possible values of random variable ZZ are 0,1,2,3,4.0,1,2,3,4.


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