The null hypothesis is the hypothesis regarding the population parameter. This is the hypothesis used in statistics that states that there is no statistical significance for a given set of observations.

Used in:

Testing of Hypothesis.

Symbol: H_{1} (H-one)

Meaning:

It refers to the alternative hypothesis.

Formula used:

The alternative hypothesis is formed in such a way that when we reject the null hypothesis we accept the alternative hypothesis.

Used in:

Testing of Hypothesis.

Symbol: HG(N,K,n)

Meaning:

It denotes Hyper-geometric distribution, N, k, n are its parameter. It is a discrete probability distribution

Formula used:

X follows Hyper-geometric distribution, i.e., X~ HG (N, K, n)

The pmf of X is given by,

Used in:

Hyper-geometric Distribution.

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