the probability of a new born baby blind is 2 in 10,000 & being deaf is 3 in 1 lakh ; what is the probabilty that the child would be both bilnd & deaf?
Answers
Given : probability of a new born baby blind is 2 in 10,000 & being deaf is 3 in 1 lakh
To Find : probability that the child would be both blind & deaf
Solution:
A = new born baby blind
P(A) = 2/10000
B = new born baby deaf
P(B) = 3/100000
probability that the child would be both blind & deaf = P ( A∩ B)
Both events are independent
P ( A∩ B) = P(A).P(B)
= (2/10000 ) (3/100000)
= 6/1000000000
= 6 * 10⁻⁹
probability that the child would be both blind & deaf = 6 in 1 billion
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