an average 20% of the Calculators produced in a factory are faulty. Samples of 10 calculators are to be selected at random each
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The volume of <span>a right square pyramid is 
, where </span><span>
is basis area.
</span>
If the lengths of the sides of the base remain fixed and height
<span>is multiplied by a factor 10, than new height is
and the volume is
</span>
</span>
If the lengths of the sides of the base remain fixed and height
<span>is multiplied by a factor 10, than new height is
</span>