Question 1155356
z-score = {{{(x - mean)/SD}}} = {{{(133.7-102.6)/21.2}}} = {{{31.1/21.2}}} = 1.47
<pr>
Look up 1.47 on a z-table.  The result is 0.9292.  This is the probability that someone's IQ is LESS than 133.7.  That means the probability that someone's IQ is GREATER than 133.7 is <b>0.0708</b>.