## The time taken by an athlete to run a 400 mile race in SAF games…

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# RANDOM VARIABLE AND PROBABILITY DISTRIBUTIONS

## The variance of randomvariable of x then var(x) = E[x-E[x]2 = E[________]?

The variance of randomvariable of x then var(x) = E2 = E? A. (X – A)2 B. E(x) C. (x – u)2D. (x – 4)2

## The basic random numbers are ________________?

The basic random numbers are ________________? A. 0 and 1B. 0,1,2,…………9 C. 1,2,3….10 D. None of these

## The mathematical exception of x + y is equal to ________________?

The mathematical exception of x + y is equal to ________________? A. E(x + 0)B. E(x + x) C. E(x) + E(y) D. E(y)

## Experiment in which outcomes vary from trial to trial _________________?

Experiment in which outcomes vary from trial to trial _________________? A. ExperimentB. Variable C. Random experiment D. Non of these

## Random numbers are used for selection of ____________?

Random numbers are used for selection of ____________? A. Random space B. Space C. Random sample D. Non of these

## A random variable is that whose value is determined by the outcome of _________________?

A random variable is that whose value is determined by the outcome of _________________? A. Trial B. event C. ExperimentD. Random experiment

## Random numbers are also called__________________?

Random numbers are also called__________________? A. Random experiment B. random ErrorsC. Random digits D. None of these

## A continuous random variable which can assume all possible values on scale in a given…

A continuous random variable which can assume all possible values on scale in a given _______________? A. Interval B. Point C. Time D. Sample space

## Hourly temperature recorded by weather bureau is the example of ___________?

Hourly temperature recorded by weather bureau is the example of ___________? A. Discrete variable B. Qualitative variableC. Continuous variable D. None of these

## Var (kY)= ____________?

Var (kY)= ____________? A. k Var (Y)B. k2 Var(Y) C. Var(Y) D. k2