A and B play a game in which A's chance of winning is 5 3 . In a series of 6 games, what is the chance that A will win atleast 4 games?
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Which of the following statements are correct
1. Significance level is opposite to confidence level.
2. Significance level is complementary to confidence level.
3. Significance level is the rejection area.
A. Only 1
B. Both 1 and 2
C. Both 1 and 3
D. Both 2 and 3
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Given
The above figure shows about
A. Model of a system
B. Parts of a system
C. Management information system
D. All of the above
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The real time systems are
A. Developed for diverse applications in the process control, process automation, medical and scientific research
B. Part of PERT
C. Programme of the system society
D. Change of system
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A line used to estimate the value of one variable from the value of the other consists of a line through the points, drawn in such a manner as to represent the average relationship between the two variables is known as
A. correlation
B. average
C. regression
D. sampling
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Which of the following statement is false about data collection?
A. It is collected for research purpose
B. Data can be collected on the basis of internal records only
C. It comprises of collection of data on the basis of published reports
D. None of the above
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If in a Binomial distribution P is very small and n is very large but nP = m. i.e., expected or mean value of binomial distribution is not negligible, then if approximate closely to the
A. Poisson Distribution
B. Correlation Analysis
C. Regression Analysis
D. Mode
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The functions of MS-DOS consist
A. On-line helping
B. Disk file caching
C. Directory hashing
D. All of the above
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If two or more quantities vary in sympathy so that movement in the one tend to be accompanied by corresponding movements in the other then they are said to be
A. Computed
B. Correlated
C. Motivated
D. Uncorrelated
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A random variable X has the following probability distribution
X
2
0
2
Probability
0.25
0.50
0.25
The mean and variance of X shall be
A. 0.50 and 1
B. 0 and 1
C. 0.50 and 2
D. 0 and 2
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The functional information is defined as a
A. Set of information required by the functional head in conducting the administration and management of the function
B. Document of system
C. Set of information required for costing
D. Document of audit
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Given
X value
Y value
26
25
19
13
17
7
13
6
9
4
4
1
This is an example of
A. Negative correlation
B. Simple correlation
C. Positive correlation
D. Linear correlation
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Which of the following combination is/are correct?
A. AMS-Attendance Management System
B. EDI-Electronic Data Interchange System for commerce, Communication and action
C. ERP-Enterprise Resource Planning Systems
D. All of the above
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What is the probability of selecting a king from a Pinochle desk?
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Rank correlation coefficient is computed by
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Spurious relationship between two variables refer to
A. very poor relationship between the variables
B. statistically insignificant relationship between the variables
C. relationship happens only due to third variable which is common to both the variables
D. the relationship which is impossible to measure
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If, on an average, 'A' completes 40 tasks with a standard deviation of 5, 'B' completes 160 tasks with a standard deviation of 15 and 'C' completes 120 tasks with a standard deviation of 8, their order when arranged on the basis of consistency is
A. C, A and B
B. A, B and C
C. C, B and A
D. B, A and C
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R1.23 is
A. Sample correlation
B. Multiple correlation
C. Regression analysis
D. Partial correlation
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Which of the following is/are methods of determining the information requirement?
A. Analysing the critical success factors
B. From the existing system
C. Asking method
D. All of the above
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If a manager takes large sample then he will always obtain
A. practically significant result
B. statistically significant result
C. consequentially significant result
D. virtually significant result
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