Mathematics, 25.04.2020 03:48 cgkiepe5759
A design engineer wants to construct a sample mean chart for controlling the service life of a halogen headlamp his company produces. He knows from numerous previous samples that when this service life is in control it is normally distributed with a mean of 500 hours and a standard deviation of 20 hours. On three recent production batches, he tested service life on random samples of four headlamps, with these results: Sample Service Life hours) 1 495 500 505 500 2 525 515 505 515 3 470 480 460 470 What is the sample means service life for sample 2
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Mathematics, 21.06.2019 12:30
When a formula is solved for a particular variable, several different equivalent forms may be possible. if we solved a=1/2bh for h, one possible correct answer is h=2a/b . which one of the following is not equivalent to this? a. h= 2(a/b) b. h= 2a(1/b) c. h= a/1/2b d. h= 1/2a/b
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Mathematics, 21.06.2019 18:30
Use ฮดjkl and ฮดmpn to determine whether don's claim is true or false. which of the following should don use to prove the triangles are similar? sss sas aas aa
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Mathematics, 21.06.2019 20:00
Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'
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A design engineer wants to construct a sample mean chart for controlling the service life of a halog...
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