Question

the probability that a patient recovers from a rare blood disease is 0.4. if 15 people are known to have contacted the disease. what is the probability that at least 2 survive

Answer 1

Answer:

0.8 / 15

Step-by-step explanation:

GIVEN:

Probability of rare blood disease is 0.4

total no.of people are 15

SOLUTION :

probability = no.of favorable outcomes

no.of all possible outcomes

as no.of fav outcomes are 2

no.of possible out comes are 15

probability os rare blood disease is 0.4

probability = 2×0.4/ 15 =0.8/15

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