Is the result significantly different from random

Reference no: EM13242417

Triangle test and z-score
Assume that 60 students take a triangle test with Coke and Pepsi. Each student taste three glasses where two drinks are identical. The students have to find out which of the three glasses contains the different drink.

(a) 24 of the 60 students are correct. Is this result significantly different from random? Employ the z-test and use as your benchmark a 5%-significance level.

(b) If you had obtained a z-score of 2.05, what is the significance level?

Reference no: EM13242417

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