sarahmerritt99
contestada

98% of Dr. Williams patients end up with 20-30 vision or better. Find the probability that exactly 4 of her next 6 patients end up with 20-30 vision or better.

Respuesta :

tatendagota

Answer:

0.1095

Step-by-step explanation:

Data:

Let:

probability of patients getting well = 0.98

The number of patients. n = 4

The variables are independent, therefore, n = 6

The probability of patients getting 20 - 30 vision, is given by:

P = 4C3 (0.97) (3) (0.03) (1)

  = 0.1095

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