If hari buys 20biscuits for Rs 200 and sells it for Rs 100 find the loss

Mathematics

2 answers:

dimulka [17.4K]3 years ago

6 0

Answer:

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Step-by-step explanation:

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vlabodo [156]3 years ago

6 0

He buys 20 biscuits for 200 (1 biscuit for 10)
And sells 20 biscuits for 100 (1 biscuit for 5)
The loss is 100

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2p-b=c-ap solve for tems of p so p=bla bla bla

vitfil [10]

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A human resource manager wants to see if there is a difference in the proportion of minority applicants who get the job and the

mash [69]

Answer:

Error Bound = 0.04

Step-by-step explanation:

Whenever we want to estimate parameter from a subset (or sample) of the population, we need to considerate that your estimation won't be a 100% precise, in other words, the process will have a random component that prevents us from always making the exact decision.

With that in mind, the objective of a confidence interval is to give us a better insight of where we expect to find the "true" value of the parameter with a certain degree of certainty.

The estivamative of the true difference between proportions was -0.19 and the confidence interval was [-0.23 ; -0.15].

The question also defines the error bound, as the right endpoint of the confidence interval minus the sample mean difference, so it's pretty straight foward:

Error Bound = $-0.15 -(-0.19) = -0.15 + 0.19 = 0.04$

The interpretation of this would be that we expect that the estimative for the difference of proportions would deviate from the "true" difference about $\pm 0.04$ or 4%.