21. Which one is not the type of utility of information
22. Given
X
Y
5
37
7
31
10
20
15
15
20
10
28
5
The above series is an example of
| X | Y |
| 5 | 37 |
| 7 | 31 |
| 10 | 20 |
| 15 | 15 |
| 20 | 10 |
| 28 | 5 |
23. In case of conditional probability, (A and B) =
24. Which of the following is/are tools of the decision support system?
25. The information technology choice is a
26. If both the regression coefficients are negative, the correlation coefficient would be
27. The DBMS is a
28. If all values of a variable are multiplied by a given number, which one of the following will not be affected?
29. A company makes electric toys. The probability that an electric toy is defective is 0.01. What is the probability that a shipment of 300 toys will contain exactly 5 defectives?
30. The emperical formulae of ceritral measure of tendency is
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