According to the us census bureau 71 of americans living in, Ask an Expert

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According to the US Census Bureau, 7.1% of Americans living in 2004 were between the ages of 20 and 24. You take a random sample of 500 Americans and find that 28 of them are between 20 and 24 years old. Has the proportion of Americans aged 20-24 changed from the 2004 proportion?

a) State the null and alternative hypothesis.

Ho: p = _______ Ha: p ¹ ______

b) Calculate the test statistic

c) Determine the P-value

d) At a = 0.10, what is your conclusion? Explain in context of the problem.

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9998760

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