it would be y = -12/5. Hes the work. hope this helps!
Estimate by rounding. 6.3x7.2
2 answers:
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Answer:
0.8188 or 82%
0.0000643
Step-by-step explanation:
Given that engineering specifications on the shelf depth of a certain slug to be turned on a CNC lathe are from .0275 in. to .0278 in.
If x is the dimension then X is N(0.0276, 0.0001)
Or is Normal (0,1)
a) Fraction of shelf depths are in specifications
=
b) For 98% to be within the specifications,
Margin of error =
For 98% critical value Z two tailed is 2.33
Hence std error =
So sigma should be = 0.0000643
