Mathematics, 20.11.2020 22:10, huntbuck14
When carpet is manufactured, small faults occur at random. The number of faults in Premium carpets can be modelled by a Poisson distribution with mean 0.5 faults per 20 m 2 . Mr Jones chooses Premium carpets to replace the carpets in his office building. The office building has 10 rooms, each with the area of 80 m 2 . (a) Find the probability that the carpet laid in the first room has fewer than three faults. (b) Find the probability that exactly seven rooms will have fewer than three faults in the carpet.
Answers: 3
Mathematics, 21.06.2019 19:00, sreyasusanbinu
45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?
Answers: 1
Mathematics, 21.06.2019 20:30, ellie55991
Graph the line that represents a proportional relationship between d and t with the property that an increase of 33 units in t corresponds to an increase of 44 units in d. what is the unit rate of change of dd with respect to t? (that is, a change of 11 unit in t will correspond to a change of how many units in d? )
Answers: 3
When carpet is manufactured, small faults occur at random. The number of faults in Premium carpets c...
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