Use technology to solve the following problem: At a cell phone assembly plant, 80% of the cell phone keypads pass inspection. A random sample of 174 keypads is analyzed. Find the probability That less than 78% of the sample keypads pass inspection.
A) 0.3052
B) 0.7452
C) 0.6948
D) 0.2548

Question

Quizplus · Accepted Answer

Using the normal approximation to the binomial distribution, the probability that less than 78% of the sample keypads pass inspection is approximately 0.2548.

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