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According to a lending instistution, students graduating from college have an average credit card debt of...

According to a lending instistution, students graduating from college have an average credit card debt of $4,100. A sample of 50 graduating seniors was selected, and their average credit card debt was found to be $4,462. Assume the standard deviation for student credit card debt is $1,200. Using alpha= 0.10, complete a-c below.
a. The z-test statistic is _____
b. The critical z score(s) is(are)_____
c. The p-value is_____
Math   Statistics-And-Probability   
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