(<em>x-3 has to equal </em><em>3</em><em>/</em><em>4</em><em> </em><em>of</em><em> </em><em>18</em>)
18/3 = 6
x-3 = 6
x = 9
This is your final answer.
Hope this helped ^^
(<em>Please inform me of any mistakes!</em><em> </em>-- <em>i</em><em> </em><em>havent</em><em> </em><em>done</em><em> </em><em>this</em><em> </em><em>for</em><em> </em><em>some time hehe</em>)
The score of 96 is 2 standard deviations above the mean score. Using the empirical rule for a normal distribution, the probability of a score above 96 is 0.0235. Therefore the number of students scoring above 96 is given by:
