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What is the probability that the random variable has a value less than 5?
That depends on the rules that define the random variable.
What is the probability the random variable will assume a value between 40 and 60?
It depends on what the random variable is, what its domain is, what its probability distribution function is. The probability that a randomly selected random variable has a value between 40 and 60 is probably quite close to zero.
What is a qualitative variable in statistics?
A variable that is not numerical but descriptive or categoric. Answers to what colour is your car, what is your favourite fruit/ band/ movie, your gender: male/female,
Does the probability that a continuous random variable take a specific value depend on the probability density function?
No. The probability that a continuous random variable takes a specific value is always zero.
Is the normal probability distribution applied to a continuous random variable?
Yes.
Is class rank a qualitative or quantitative variable?
A qualitative variable is a variable that has categorized values and the difference cannot be measured. A quantitative variable is a variable that consist of ordinary values and the difference can be measured. Depending on the type of class rank it can be both qualitative as quantitative.
Is the gender of college students a discrete random variable a continuous random variable or not a random variable?
It is a discrete random variable.
When random variable is variable?
When it is random it is variable.
What kind of variable is sport in statistics?
It is a qualitative variable.
Can a qualitative data be a dependent variable?
no
In statistics is gender a quantitative variable?
No it is qualitative
Is smoking a quantitative variable?
Smoking is not a variable. It is an act of doing something. Types of cigarettes is a qualitative variable.
Is the random variable x equals 1 be stated that the random variable is discrete?
If x = 1 then X is not really a random variable but a constant.
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.
Can the Poisson distribution be a continuous random variable or a discrete random variable?
True
Does the horizontal axis of a line chart represent variable quantity?
No, it could be a qualitative variable.
Is random control trial qualitative or quantitative?
qualatative
