Statistics Probability Distributions

Which of the following statement describe a continuous random variable?

• The number of students present in a Class Temperance

• The average distance travelled by a tricycle in a month

• The number of motorcycle owned by a randomly selected household

• . The number of girls taller than 5 feet in a random sample of 6 girls

Which of the following is a variable whose value is obtained by measuring?

• Continuous

• Discrete

• Interval

• Normal

Which of the following is an example of discrete variable?

• Distance travelled between cars

• Height of the students ina section

• Number of blue marbles in the box

• Weight of potatoes in the basket

A variable whose value could be a finite and countable number is a____________

• Continuous variable

• Discrete variable

• Qualitative variable

• Quantitative variable

Which of the following is NOT a discrete random variable?

• Height of eggplant as measured each day

• Number of refrigerator sell each day

• Number of late comers in going to school each day.

• Number of people in Rizal Park from Monday to Friday

Which of the following is NOT a continuous random variable?

• The height of the airplane’s flight

• The amount of liquid on a container

• The length of time for the check up in the hospital

• The number of clients of a certain Insurance Company each day

You decided to conduct a survey of families with three children. You are interested in counting the number of girl in each family. Is this a random variable?

• Maybe

• Cannot be determined

• Yes, it is a random variable

• No., it is not a random variable.

A set of numerical values assigned to a sample space is called __________

• Random sample

• Random variable

• Random process

• Random experiment

Which of the following best describe variable that can be measured?

• Categoricak

• Continuoud

• Discrete

• Ordinal

A drawer has 2 red ties, 3 black ties and 5 blue ties. A tie is picked at random. What is the total number of possible outcomes?

• 2

• 3

• 5

• 10