Answer:
Step-by-step explanation:
Average length
Standard deviation
Sample size
Generally The point estimate for the mean length of all bolts in inventory is
I think the answer is 360
Step-by-step explanation:
Assuming figure to be trapezoid,
Perimeter=6+4+7+4yd
=21 yd
Area of trapezoid=((6+7)/2) x ((4)^2-(0.5)^2)
=(13/2)x(16-0.25)
=6.5 x 15.75
=102.375 Sq yards