subject
Mathematics, 01.07.2020 22:01 avery58

The assembly time for a product is uniformly distributed between 8 and 12 minutes. The mean and the variance of the assembly time are: a.4 minutes and 16 (minute)2 b.8 minutes and 12 (minute)2 c.12 minutes and 1.33 (minute)2 d.10 minutes and 1.33 (minute)2

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 16:30
Arandom sample of 150 high school students were asked whether they have a job. the results are shown in the table. have a job do not have a job male 48 35 female 41 26 select a ord or phrase from the drop-down menus to correctly complete the statements describing the association.
Answers: 1
question
Mathematics, 21.06.2019 18:00
In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.
Answers: 1
question
Mathematics, 21.06.2019 21:00
Acomposition of transformations maps δxyz to δx"y"z". the first transformation for this composition is , and the second transformation is a 90° rotation about point x'.
Answers: 1
question
Mathematics, 21.06.2019 21:30
Jalen charges $25.50 for every 3 hours of yard work he does for his neighbors. ralph charges $34 for every 4 hours of work that he does. who charges less? opinions: 1.they charge the same amount 2.jalen 3.ralph
Answers: 1
You know the right answer?
The assembly time for a product is uniformly distributed between 8 and 12 minutes. The mean and the...
Questions