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A computer cannot truly generate a random number because it needs a seed value. The system time is a good source for random numbers because it generates a random number every second. If you execute a program with a button that generates a random number based on the system time, every time you click the button it will generate a different number (assuming you didn't press it twice in the same second) because it changes second by second. Although, it seems that the system is generating a random value by using the system time, it really isn't. It is just using the specific time value as a seed.
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What is a stochastic process?
Stochastic process is also known as a random process. It is a collection of random variables that represent the evolution of some system of random values over time.
How do you store random values to database?
Using random method create the random number and save that in to Database
What is the difference between random variable and random process?
A random variable is a variable which can take different values and the values that it takes depends on some probability distribution rather than a deterministic rule. A random process is a process which can be in a number of different states and the transition from one state to another is random.
Is Random probability values are determined by chance?
Yes.
What is a qualitative random variable?
A random variable which can take qualitative values rather than numeric values. For example, the question "What colour are your eyes?" will generate qualitative answers.
Random variable that can take any numeric value within a range of values?
continuous random variable
Will all random samples from a given population have the same mean?
Data from random samples will not always include the same values. Values are chosen randomly and they may or may not be the same. So means will vary among random samples.
What the deference between variable and variate?
A random variate is a particular outcome of a random variable: the random variates which are other outcomes of the same random variable would have different values.
What is the definition of a sample space?
the range of values of a random variable.
A random variable is said to be discrete if?
It can take only a finite number of values. These need not be integer values.
Errors in precision are caused by such factors as noise. This type of error which reduces the precision of a measurement system is known as?
The type of error that reduces the precision of a measurement system due to factors like noise is called random error. Random errors are unpredictable fluctuations in measurements that can lead to variations in the measured values.
Which is the smallest increment of data in a computer system?
A bit is a binary digit that is the second smallest increment of data on a computer. It can hold only two values which are 0 and 1.
