A sample of 25 observations is taken to estimate a populatio

A sample of 25 observations is taken to estimate a population proportion (pi). The sampling distribution of sample proportion p is

not normal since n < 30.

approximately normal because p is always normally distributed.

approximately normal if n 5 and n(1-) 5.

approximately normal if approaches 0.50.

not normal since n < 30.

approximately normal because p is always normally distributed.

approximately normal if n 5 and n(1-) 5.

approximately normal if approaches 0.50.

Solution

not normal since n < 30, is the right answer.

A sample of 25 observations is taken to estimate a population proportion (pi). The sampling distribution of sample proportion p is not normal since n < 30. a

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