Four elements A,B,C, & D required to produce a drug for ebola virus treatment are to be mixed in a ratio 1:2:4:5 if this inf
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
Answer:
Step-by-step explanation:
I assume you want the roots. Here we go:
Use the quadratic formula: .
The discriminant is 900 - 1008, or -108 (so we will need i, the complex number that means ).
This means on the top you get 30 + 6isqrt3 and on the bottom you get 12.
So the fraction is
Note: This is just one of the roots, I am sure you can find the second one!