Question

Spontaneous genetic mutations are one cause of cancer. They can happen at any time for various reasons such as exposure to certain carcinogens. Researchers are working to understand more about what causes them. If X is how many mutations there are in a person's body at time Y, X is a ________ random variable.

Answer 1

If X is how many mutations there are in a person's body at time Y, X is a discrete random variables.

What are discrete random variables?

Discrete random variables are those variables that depends upon the numerical outcomes of a certain random phenomenon.

The X which is the number of mutations that are present in a person's body is dependent on Y which is time that varies.

Therefore, If X is how many mutations there are in a person's body at time Y, X is a discrete random variables.

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