Question: a. Set up the null and alternative hypotheses needed to test whether the mean earnings per share for all target firms differs from the mean

a. Set up the null and alternative hypotheses needed to test whether the mean earnings per share for all "target firms" differs from the mean earnings per share for all "bidder firms." Test these hypotheses at the .101 .051 .011 and .001 levels of significance. How much evidence is there that these means differ? Explain.
b. Calculate a 95 percent confidence interval for the difference between the mean earnings per share for "target firms" and "bidder firms." Interpret the interval.

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