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can anyone plzz help me with this
mean= np= 30*0.8= 24
var= npq= 30.0.8*0.2= 4.8
P(X<25)
and normalise it: P(X<24.5)
now u can solve it
oh btw, reason for next answer would be "calculating probability for many days takes more effort and consumes for time if normalisation method isn't used".