SOLUTION: n a recent study, it was found that 40% of customers are unsatisfied with their bank. In a sample of 25 customers, what is the probability of finding at least 15 unsatisfied custom
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Question 899349: n a recent study, it was found that 40% of customers are unsatisfied with their bank. In a sample of 25 customers, what is the probability of finding at least 15 unsatisfied customers? Answer by ewatrrr(24785) (Show Source):
You can put this solution on YOUR website! p = .40, n = 25
TI syntax is 1 – binomcdf(n, p, largest x-value).
P(x ≥ 15) = 1 - binomcdf(25,.40, 14) = .0344
