According to a 2009 Lawyers.com survey,only 35% of adult Americans had a will (The Wall Street Journal,December 12,2011).Suppose a recent survey of 250 adult Americans found 100 adults with wills.
a.Specify the competing hypotheses to determine whether the proportion of adult Americans who have a will differs from the proportion reported for 2009.
b.Calculate the value of the test statistic and the p-value.
c.At the 5% significance level,is the proportion different? Explain.

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The Answer of According to a 2009 Lawyers.com survey,only 35% of adult Americans had a will (The Wall Street Journal,December 12,2011).Suppose a recent survey of 250 adult Americans found 100 adults with wills.
a.Specify the competing hypotheses to determine whether the proportion of adult Americans who have a will differs from the proportion reported for 2009.
b.Calculate the value of the test statistic and the p-value.
c.At the 5% significance level,is the proportion different? Explain.