Start learning 50% faster. Sign in now
I. 12a2– 55a + 63 = 0 12a2– 27a – 28a+ 63 = 0 3a (4a - 9) – 7 (4a - 9) = 0 (3a-7) (4a-9) = 0 a = 7/3, 9/4 II. 8b2 – 50b + 77 = 0 8b2 – 28b – 22b + 77 = 0 4b (2b – 7) – 11(2b – 7) = 0 (4b-11) (2b-7) = 0 b = 11/4, 7/2 Hence, a ˂ b
If the odds in favour of any random event A are 5 : 6, then the odds against the event are:
If A,B and C are arbitrary events, then P(A ∩ B ∩ C) equals to:
Which of the following is the most relevant for deriving a point estimate?
The value of a and b so that the following is probability mass function
X: 0 �...
The mean deviation from an average A will be minimum, if A represents:
For the data set
X: 1 2 3 4 ...
A B and C are three mutually exclusive and exhaustive events associated with a random experiment. If P(B) = (3/2) P(A) and P(C) = (1/2) P(B) then value...
Which of the following options is correct when data is classified on the basis of attributes?
For the cumulative distribution function
the upper quartile point is