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You are testing the null hypothesis that the population proportion equals .45, using data you collected from a sample of 100 adults. You sample proportion equals .30. What does Z equal? (Round to two decimal places)

Question

You are testing the null hypothesis that the population proportion equals .45, using data you collected from a sample of 100 adults. You sample proportion equals .30. What does Z equal? (Round to two decimal places)

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Step 1

Z score is method to know that how many standard deviations away your data is from the mean.

The formula to calculate the Z score for population is given on whiteboard.

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Step 2

Find the Z score for Ho:  p = 0.45

Given;

p^ = 0.30

n = 100

Cal...

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Math

Statistics

Hypothesis Testing

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