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Updated 12th Standard Business Maths and Statistics Study Materials 2022-2023 Exams

12th Standard English Medium Business Maths Subject Probability Distributions Book Back 2 Mark Questions with Solution Part - II Question Bank Software Jun-04 , 2021

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12th Standard English Medium Business Maths Subject Probability Distributions Book Back 2 Mark Questions with Solution Part - II

12th Standard English Medium Business Maths Subject Probability Distributions Book Back 2 Mark Questions with Solution Part - II

12th Standard

    Reg.No. :
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Business Maths

Time : 00:30:00 Hrs
Total Marks : 10

    Part I

    5 x 2 = 10

  1. Verfy the following statement:
    The mean of a Binomial distribution is 12 and its standard deviation is 4.

  2. In a book of 520 pages, 390 typo-graphical errors occur. Assuming Poisson law for the number of errors per page, find the probability that a random sample of 5 pages will contain no error.

  3. Define Bernoulli trials.

  4. If the probability of success is 0.09, how many trials are needed to have a probability of atleast one success as 1/3 or more ?

  5. The mean of a binomial distribution is 5 and standard deviation is 2. Determine the distribution.

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