Determine whether the value is a discrete random variable, continuous random var

Question

Determine whether the value is a discrete random variable, continuous random variable or not a random variable. The number of textbook authors now sitting at a computer. The number of people in a restaurant that has a capacity of 250. The eye color of people on commercial aircraft flights. The number of statistics students now reading a book. The number of light bulbs that burn out in the next week in a room with 10 bulbs. The distance a baseball travels in the air after being hit. Is the number of light bulbs that bum out in the next week in a room with 10 bulbs a discrete random variable, a continuous random variable or not a random variable? Is the distance a baseball travels in the air after hit a discrete random variable, a continuous random variable, or not a random variable?

Explanation / Answer

Answer to the question)

All the values that cannot be expressed in decimals but cna be expressed in whole numbers is called discrete random variables

Following variables are discrete

.

The values that can be expressed as whole number and decimal as well are called Continuous Random variable

Distance a baseball travels can be a whole number and can be a expressed in decimals as well

thus distance is a continuous variable

.

The eye color can not be expressed in numbers . It is divided into various color types or groups or categories

Thus it is a non random variable

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