jenyez11 jenyez11
  • 05-04-2020
  • Mathematics
contestada

In a large population, 70 % of the people have been vaccinated. If 3 people are randomly selected, what is the probability that AT LEAST ONE of them has been vaccinated?

Respuesta :

chloeoak07
chloeoak07 chloeoak07
  • 16-11-2020

Answer:

.95

Step-by-step explanation:

= 1 - Bin (n=4, k =0, p=.52)

= 1 - C(4,0) × 0.520 × (1-.52)4-0

= 1 - (1×.484) = .9469158 ≈ .95

hopefully this helped

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