A random sample of n 1400 observationsfrom a binomial

Chapter 9, Problem 31

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A random sample of n 1400 observationsfrom a binomial population produced x 529.a. If your research hypothesis is that p differs from .4,what hypotheses should you test?b. Calculate the test statistic and its p-value. Use thep-value to evaluate the statistical significance of theresults at the 1% level.c. Do the data provide sufficient evidence to indicatethat p is different from .4?

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