Suppose the heights of adult men are normally distributed. The heights of a sample of 30 men are shown below, in inches. 65, 83,
2 answers:
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4x² -6
__________________
x²+2 l 4x^4 +2x² -2
l 4x^4 +8x²
--------------------
-6x² -2
-6x² -12
---------------
10
so the answer is
__________________
x²+2 l 4x^4 +2x² -2
l 4x^4 +8x²
--------------------
-6x² -2
-6x² -12
---------------
10
so the answer is