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StClowers
HOW DO YOU ENTER THIS INTO THE TI84?! Assume that the significance level is a=0.05. Use the z score table to find the p-value and the critical value. With p (not equals) 2/3, the test statistic is z = -1/14.
i am not sure if this is correct but i can give you a link to try
http://www.mathcelebrity.com/zcritical.php?a=+0.05&pl=Calculate+Critical+Z+Value
this will help with some of it
http://www.mathportal.org/calculators/statistics-calculator/z-score-calculator.php
that helped! Thanks @andijo76 !
your welcome i found these trying to figure these out