CHAP 2 : RANDOM VARIABLE

Which of the following is a discrete random variable?

• The average amount of electricity consumed

• The number of patients in a hospital

• The amount of paint used in repainting a building

• The average weight of female athletes

If two coins are tossed, which is not a possible value of the random variable for the number of heads?

• 0

• 1

• 2

• 3

Identify the type of data.

The number of tourists each day in museum.

• Qualitative

• Quantitative - Discrete

• Quantitative - Continuous

Identify the type of data.

Marital status

• Qualitative

• Quantitative - Discrete

• Quantitative - Continuous

Identify the type of data.

The number of houses owned.

• Qualitative

• Quantitative - Discrete

• Quantitative - Continuous

Identify whether the experiment involves a discrete or a continuous random variable.

Rotating a spinner that has 4 equally divided parts: blue, green, yellow, and red

• Discrete Random Variable

• Continuous Random Variable

Tags

CCSS.HSS.MD.A.1

What are the possible values of the random variable for the number of girls of a family having 3 children?

• 0

• 1

• 2

• 3

• 4

What is the sample space suppose two coins are tossed?

• {HH,HT,TH,TT}

• {H,T}

• {HH,TT}

• {HHH,TTT, HHT, HTH, HTT, THH, THT,TTH}

It takes the set of possible values from a random experiment

• Statistics

• Data

• Random Variable

• Sample Space

If a fair dice is thrown once, what is the probability of obtaining "the factor of 6"?

• 5/6

• 1/2

• 2/3

• 1/6