State whether the following statements are True or False. Give reason in support of your answer:
(a) The value of sensitivity of the following results of a diagnostic test is 0.85.
| Disease | Test result | Total | |||
| + | – | ||||
| Present | 170 | 30 | 200 | ||
| Absent | 20 | 280 | 300 | ||
(b) For the following cohort study, the relative risk for the lung cancer among smokers is 3.5.
| Lung Cancer | No Lung Cancer | Total | ||||||
| Smokers | 100 | 1220 | 1320 | |||||
| Non-smokers | 50 | 2260 | 2310 | |||||
(c) The logit link function is .
(d) We define three indicator/dummy variables for a regressor variable with three categories.
(e) Left censoring occurs whenever the exact time of occurrence of an event is not known.
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Explain the essentials of valid contract of sale.
See Answer →What can’t be a partner of a Limited Liability Partnership?
See Answer →“An agreement in restraint of trade is void”. Examine this statement mentioning exceptions, if any
See Answer →(ii) Fraud and Misrepresentation
See Answer →(i) Coercion and undue influence
See Answer →Discuss the common features among promissory note, bill of exchange and cheque.
See Answer →Distinguish between the right of lien and stoppage-in-transit.
See Answer →Describe the rights and liabilities of partners on dissolution of a firm.
See Answer →Define mistake and explain various types of mistakes
See Answer →Define the term “proposal”. Discuss the essentials of a valid offer.
See Answer →Discuss the essentials of a contract of bailment and state the rights and duties of a bailee.
See Answer →“No seller of goods can give to the buyer a better title than he himself has”. Explain this rule. Are there any exceptions to this rule?
See Answer →Enumerate the different types of partners and briefly explain the extent of their liabilities.
See Answer →“Insufficiency of consideration is immaterial, but a valid contract must be supported by lawful and real consideration.” Comment.
See Answer →Explain briefly the law relating to communication of offer, acceptance and revocation. Is there any limit of time after which an offer cannot be revoked?
See Answer →What is outsourcing? How is it distinguished from off-shoring?
See Answer →State whether the following statements are True or False. Justify your answer with the help of a short proof or a counter-example:
i) Initial value problem:
y (0)=1 has a unique solution
ii) The second order Runge-Kutta method when applied to IVP y′ = −100y, y(0)=1 will produce stable results for
iii) If Fourier cosine transform of f(x ) is:
where 0 ≤ x ≤ then:
For the differential equation is a
regular singular point and x=4,is an irregular singular point.
See Answer →Explain the barriers of effective communication
See Answer →How is Primary market different from Secondary market?
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