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What is the Relationship between marginal and conditional and joint probabilities?
The joint probability of two discrete variables, X and Y isP(x, y) = Prob(X = x and Y = y) and it is defined for each ordered pair (x,y) in the event space.
The conditional probability of X, given that Y is y is Prob[(X, Y) = (x, y)]/Prob(Y = y) or equivalently,
Prob(X = x and Y = y)/Prob(Y = y)
The marginal probability of X is simply the probability of X. It can be derived from the joint distribution by summing over all possible values of Y.
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What is the relationship between the Z-score for Normal Distribution and Continuous Probability?
There is no real relationship. Probabilities for the Normal distribution are extremely difficult to work out. The z-score is a method used to convert any Normal distribution into the Standard Normal distribution so that its probabilities can be looked up in tables easily. There are infinitely many types of continuous probability distributions and the Normal is just one of them.
What is the conditional formation constant for the reaction between EDTA and Ca2 plus at pH equals 10?
The conditional constant= 1.8*1010
All probabilities are expressed as a number between the range of?
0- less than1
Can -0.5 be a probability?
No. Probabilities are 'counted' as between 1 (certain) and 0 (impossible)
Which two values do all probabilities lie between?
0% and 100% or o and 1
