Business Statistics

61

In hypothesis testing 'P' value ranges between

A) zero and infinity B) minus infinity and plus infinity C) zero and one D) -1 and +1

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Answer & Solution

Answer: Option C

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62

Which of the following statement is true with regard to hypothesis testing of null and alternative hypothesis?

A) It is possible for neither hypothesis to be true B) It is possible for both hypothesis to be true C) Both hypothesis should be true D) Exactly one hypothesis will be true

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Answer & Solution

Answer: Option D

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63

If the manager operates in a known environment then it is a

A) Closed decision making system B) Planning system C) Coordination system D) Directing system

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Answer & Solution

Answer: Option A

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64

Which one of the following is a false statement?

A) A binomial distribution involves infinite number of trials B) The mean and the variance of a poisson distribution are equal C) The standard normal distribution has μ = 0 and $$\partial $$ = 1 D) The standard deviation of an exponential distribution is equal to its mean

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Answer & Solution

Answer: Option A

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65

DFDs includes

A) Process centre B) Sources of documents C) Documents in the system D) All of the above

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Answer & Solution

Answer: Option D

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66

Which of the following statement is/are correct?

A) A system is defined and determined by its boundaries and objectives B) If a system is functioning in isolation from the environment, then the system does not have any exchange with the environment nor is it influenced by the environmental changes C) The information system is a combination of a person, the hardware and the software D) All of the above

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Answer & Solution

Answer: Option D

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67

Situations in which $${\chi ^2}$$ -test is not applicable is

A) to test the discrepancies between observed and expected frequencies B) to test the goodness of fit C) in case of large sample, where sample size is greater than 30 D) to determine association between two or more attributes

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Answer & Solution

Answer: Option C

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68

The size of Binomial distribution depends on

A) Value of 't' B) Value of Z and B C) Value of p and q D) Value of X and Y

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Answer & Solution

Answer: Option B

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69

The MIS goals and objectives will consider . . . . . . . . of the firm.

A) Business risks B) Policy constraints C) Management philosophy D) All of the above

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Answer & Solution

Answer: Option D

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70

What is the chance of drawing a queen in a draw from a pack of 52 cards?

A) $$\frac{1}{9}$$ B) $$\frac{1}{{13}}$$ C) $$\frac{1}{{14}}$$ D) $$\frac{1}{{12}}$$

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Answer & Solution

Answer: Option B

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