A balanced coin in thrown in a random experiment till the first head is obtained. The experiment is terminated with a trial of first head. Write the sample space of this experiment and state whether it is finite or Infinite.

U= H, TH, TTH, TTTH, ... The sample space of this experiment is infinite.

A balanced coin in thrown in a random experiment till the first h…

Write the interval form for $0.02$ neighbourhood of $-2$.

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Find the value of $\lim _{x \rightarrow-a} \frac{x^m+a^m}{x+a}$ where $m$ is an odd number.

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Write the formula for finding the probability of occurrence of at least one event out of three events $A, B$ and $C$ of a random experiment.

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The rate of inflation and the purchase power of a common man of a country when income of the common man is stable .

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Write the sample space of marks obtained in an examination of $100$ marks.

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What is a model?

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What is the symbol of the distribution of normal variable $X ?$

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Will the regression coefficient change if the values of both the variables x and y are doubled with the help of transformation of scale ?

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What is called $N *(a, \delta) ?$

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What will be the sign of $r$ if the value of co-variance is negative ?

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