Mini Prob. question #2
Determine the z score given the mean of 172, standard deviation of 8 and x - value or 192
So it goes like this...
Z = 192-172/8
Z = 2.5
Now i look back in the book and find the z score on the table.
i get a value of 0.9938...
what am i doing wrong?
The question only asks for the z-score not the p-value corresponding to it. Your work looks OK, except you should use brackets to write:
Originally Posted by Faisal2007
or in LaTeX: