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## Category : Mathematics

Mathematics other than Quantitative Ability.

## Statistics

Question
if A and B are mutually exclusive events, P (A or B) = .7, P(A) = .2, then P (B) =
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Mathematics allistreet509 1 month 0 Answers 36 views 0

## The time taken to assemble a particular item by an average worker follows a normal distribution with a mean time of 41.9 seconds and a standard deviation of 2.1 seconds.Sketch the assembly time distribution. Label and scale the x- and z-axes.Find the percentage of assembly times that are more than 40.0 secondsFind the assembly time at the 10th percentile

Question
The time taken to assemble a particular item by an average worker follows a normal distribution with a mean time of 41.9 seconds and a standard deviation of 2.1 seconds. a. Sketch the assembly time distribution. Label ...
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Mathematics allygonzalez608 2 months 0 Answers 24 views 0

## From a sample with nequals36​, the mean duration of a​ geyser’s eruptions is 3.59 minutes and the standard deviation is 0.88 minutes. Using​ Chebychev’s Theorem, determine at least how many of the eruptions lasted between 0.95 and 6.23 minutes.

Question
From a sample with nequals=3636​, the mean duration of a​ geyser’s ...
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Mathematics austingalvan 4 months 0 Answers 100 views 0

## From a sample with nequals36​, the mean duration of a​ geyser’s eruptions is 3.59 minutes and the standard deviation is 0.88 minutes. Using​ Chebychev’s Theorem, determine at least how many of the eruptions lasted between 0.95 and 6.23 minutes.

Question
From a sample with nequals=3636​, the mean duration of a​ geyser’s ...
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Mathematics austingalvan 4 months 0 Answers 121 views 0

## Proving a consistent estimator

Question
Let X1, X2, . . . , Xi , . . . be a sequence of iid continuous random variables with pdf f(x|θ), 0 < x < θ. Prove that the sample maximum X(n) is a consistent estimator of parameter ...
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Mathematics nt2018 4 months 0 Answers 116 views 0

## Statistic Z- test

Question
There are two filling machines operating in a production unit filling syrup In bottles. Two samples each of size 36 filled bottles gave the following data: Which of the two machines is more stable in performance? Machine           Mean content         Standard ...
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## In a triangle ABC, find the ratio of AD : DC

Question
In a triangle ABC, AB = 5, BC = 7 and AC = 9 and D is on AC with BD =5. Find the ratio of AD:DC.
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Mathematics Raafia Manzoor 4 months 1 Answer 119 views 0

## Distance between Incenter and centroid of a triangle

Question
In a triangle ABC, AB = 12, BC = 14 and AC = 16. I is the incenter and G is the centroid. Find the length of IG.
solved 0
Mathematics Raafia Manzoor 4 months 1 Answer 200 views 0

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