Se estima que el 75% de las personas que solicitan consulta médica en determinada clínica tienen qué esperar por lo menos tres horas antes de que las atiendan. Si en un momento hay 10 pacientes en la
sala de espera, determina el número más probable de pacientes que tendrán que esperar por lo menos
3 horas.

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im not sure

you need to give us more information since we can't answer

answer:   35 % is the probability of a late departure or an early arrival.

step-by-step explanation:

let l represents the late departure and e represents the early departure.

then, according to the question,

p(l) = 12 %,   p(e) = 27 % and = 4 %

and, we have to find out,

but, we know that,

which is the required equation that will use to find the probability of a late departure or an early departure.

therefore,   the probability of a late departure or an early arrival =   35 %

they charge the same amount at 20 minutes.

step-by-step explanation: