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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Events occurring together without affecting each other are called:_________________?
Events occurring together without affecting each other are called:_________________?A. Dependent events
B. Independent events
C. Equally likely events
D. Mutually Exclusive eventsResponse variable is a_________?
Response variable is a_________?A. Fixed
B. Random variable
C. Whole
D. None of aboveIf x is 4 and the distribution is 2, 3, 4, 5, 6, the sum of squared deviations from the x will be______________?
If x is 4 and the distribution is 2, 3, 4, 5, 6, the sum of squared deviations from the x will be______________?A. 8
B. 10
C. 6
D. 12Standard normal variable Z is___________?
Standard normal variable Z is___________?A. x – µ /σ
B. µ- x /σ
C. σ – x/ µ
D. x – σ/ µThe Harmonic Mean of any two numbers is________________?
The Harmonic Mean of any two numbers is________________?A. a+b2
B. 2aba+b
C. ab−−√
D. a+bQuartiles, deciles are located from an ogive in a way________________?
Quartiles, deciles are located from an ogive in a way________________?A. Mode
B. G.M.
C. Median
D. Quarlities