Question 926303
p(correct) = .25,  n = 29
.....
P(x ≥ 14) = 1 - P(x ≤ 13) 
 Using a TI calculator 0r similarly a Casio fx-115 ES plus
P(x ≥ 14) = 1 - P(x ≤ 13) = 1 - binomcdf(29, .25, 13) = 1 - .9944 = .0056