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The probability that there is at least o...

The probability that there is at least one error in an account statement prepared by 3 persons, A,B and C are 0.2, 0.3 and 0.1 respectively. If A,B and C prepare 60, 70 and 90 such statements then the expected number of correct statements are

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Statement 1 : The area of the triangle formed by the points A(1000 ,1002),B(1001 ,1004),C(1002 ,1003) is the same as the area formed by the point A^(prime)(0,0),B^(prime)(1,2),C^(prime)(2,1) Statement 2 : The area of the triangle is constant with respect to the translation of axes. (a) Statement 1 and Statement 2, both are correct. Statement 2 is the correct explanation for Statement 1. (b) Statement 1 and Statement 2, both are correct. Statement 2 is not the correct explanation for Statement 1. (c) Statement 1 is correct but Statement 2 is not correct. (d) Statement 2 is correct but Statement 1 is not correct.

Each question has four choices a,b,c and d out of which only one is correct. Each question contains Statement 1 and Statement 2. Make your answer as: If both the statements are true and Statement 2 is the correct explanation of statement 1. If both the statements are True but Statement 2 is not the correct explanation of Statement 1. If Statement 1 is True and Statement 2 is False. If Statement 1 is False and Statement 2 is True. It is given that a >-,b >0,c >0a n da+b+c=a b c Statement 1: All of the three numbers cannot be less than sqrt(3.) Statement 2: In A B Cdot tanA+tanB+tanC=tanAtanBtanC

Each question has four choices a,b,c and d out of which only one is correct. Each question contains Statement 1 and Statement 2. Make your answer as: If both the statements are true and Statement 2 is the correct explanation of statement 1. If both the statements are True but Statement 2 is not the correct explanation of Statement 1. If Statement 1 is True and Statement 2 is False. If Statement 1 is False and Statement 2 is True. It is given that a >-,b >0,c >0a n da+b+c=a b c Statement 1: All of the three numbers cannot be less than sqrt(3.) Statement 2: In A B Cdot tanA+tanB+tanC=tanAtanBtanC