Answer:
The area of the shaded region is 0.2898.
Step-by-step explanation:
Let <em>X</em> represent the IQ scores of adults.
It is provided that 
.
Compute the probability of an adult having an IQ between 106 and 124 as follows:
*Use a <em>z</em>-table.
Thus, the area of the shaded region is 0.2898.
<h2><em>ts = 4x - 7
</em></h2><h2><em>
</em></h2><h2><em>sv = 5x - 15
</em></h2><h2><em>
</em></h2><h2><em>If s is the midpoint of ts and sv, then ts = sv, so
</em></h2><h2><em>
</em></h2><h2><em>4x - 7 = 5x - 15
</em></h2><h2><em>
</em></h2><h2><em>5x - 4x = 15 - 7
</em></h2><h2><em>
</em></h2><h2><em>x = 8
</em></h2><h2><em>
</em></h2><h2><u><em>Not 100% sure </em></u></h2>
The answer is 80 + n = 120
n = 40
I'm not 100% sure but try A.
The answer is, "On average, boys saw the movie more than girls."
