Question: In One Sample Proportion test, it is important to convert the sample proportion to a z score first. In this example, we selected a random

In One Sample Proportion test, it is important to convert the sample proportion to a z score first. In this example, we selected a random sample of size 100 from a pool of university students and asked whether they use Facebook on a regular base. Eighty replied yes. Assuming that the population proportion under the null hypothesis is 50% what is the z-score for the sample proportion?

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