SOLUTION: A study determined 6% of children under 18 years of age live with their father only . Find the probablitity that at most 2 persons selected at random from 14 children under 18 year

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Hi,

p = .06, n = 14

Using TI ****(highly recommended for cumulative probabilities

P(x ≤  2) = binomcdf(14, .06, 2)

Or

Using  

P(x ≤ 2)= P(0)+ P(1) + P(2) = .94^14 + 14(.06)^1(.94)^13 + 91(.06)^2(.94)^12