Statistics and Probability - Random Variable

"The number of arrivals at an emergency room between midnight and 6:00 a.m." is what type of random variable?

• continuous

• discrete

• nominal

• ordinal

"The weight of a bag of rice" is what type of random variable?

• continuous

• discrete

• nominal

• ordinal

"The duration of an outgoing phone call" is what type of random variable?

• continuous

• discrete

• nominal

• ordinal

"The number of kernels of popcorn in a 1-kilo container" is what type of random variable?

• continuous

• discrete

• nominal

• ordinal

"The number of students in a class" is what type of random variable?

• continuous

• discrete

• nominal

• ordinal

"The number of boys in a randomly selected three-child family" is what type of random variable?

• continuous

• discrete

• nominal

• ordinal

"The temperature of a cup of coffee" is what type of random variable?

• continuous

• discrete

• nominal

• ordinal

"The average amount spent on electricity each July by a randomly selected household in a certain state" is what type of random variable?

• continuous

• discrete

• nominal

• ordinal

"The number of vehicles owned by a randomly selected household" is what type of random variable?

• continuous

• discrete

• nominal

• ordinal

The set of possible values for "the number of heads in two tosses of a coin."

• {0, 1}

• {0, 2}

• {0, 1, 2}

• {1, 2}