A school requires an entrance exam score that is in the top 3% of the population in order to be accepted. If an entrance exam has a mean of 500 and a standard deviation of 55, what is the minimum qualifying score to be accepted at the school?

Question

amistre64 · Answer

what do we find as a zscore?

amistre64 · Answer

since:$$z=\frac{x-\bar x}{\sigma}$$
then we input the values and solve for x

amistre64 · Answer

so the issue really is finding the values of z, that has a left tail of .9700; which should be the positive z score for a lef tail of .0300