If P(B/A)= 0.25 and P(A∩B) = 0.2 then P(A) will equal to _______________?
If P(B/A)= 0.25 and P(A∩B) = 0.2 then P(A) will equal to _______________?
A. 0.05
B. 0.75
C. 0.8
D. 0.45
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B. A Parameter
C. A Population
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The binomial distribution is symmetrical when:______________?A. P > q
B. P = 1/2
C. Probability of success & probability of failure are equal
D. Both (b) & (c) but not (a)The basic random numbers are ________________?
The basic random numbers are ________________?A. 0 and 1
B. 0,1,2,…………9
C. 1,2,3….10
D. None of theseThe sum of absolute deviations from median is _____?
The sum of absolute deviations from median is _____?A. Zero
B. Positive
C. Least
D. None of theseIf mean is 25 and standard deviation is 5 then C.V (Coefficient of variation) is_______________?
If mean is 25 and standard deviation is 5 then C.V (Coefficient of variation) is_______________?A. 100%
B. 25%
C. 20%
D. None of theseQuestionnaire survey method is used to collect____________?
Questionnaire survey method is used to collect____________?A. Secondary data
B. Qualitative variable
C. Primary data
D. None of these