A study conducted in September and October of 2010 found that fewer than half of employers who hired new college graduates last academic year plan to definitely do so again (The Wall Street Journal, November 29, 2010). Suppose the hiring intentions of the respondents were as follows:

Six months later, a sample of 500 employers were asked their hiring intentions and gave the following responses:

a. Specify the competing hypotheses to test whether the proportions from the initial study have changed.
b. Find the critical value at the 5% significance level.
c. Calculate the value of the test statistic.
d. What is the conclusion to the hypothesis test? Interpret yourresults.

Transcribed Image Text:

Definitely Likely to Hire uncertain 28% Will not hire 18% hire hire 17% 37% Definitely Likely hire 170 Hire uncertain 120 Will not hire 110 to hire 100