Math
In each case, determine whether the situation calls for a
discrete or continuous random variable and explain
your answer. Please help!
a. The description of the number of children in a family
selected at random from families in Ft. Wayne, Indiana
b. The net worth of an average person in the United
States
c. The cholesterol level of individuals having heart
attacks between the ages of 35 and 50
d. The sum showing after a roll of two dice
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Answers
a. This situation calls for a discrete random variable, because the data is being counted to represent the number of children in the family and not measured in any way. b. This situation calls for a continuous random variable, because the data is being measured to represent the average net worth of individuals. c. This situation calls for a continuous random variable, because the data is being measured to represent cholesterol levels. d. This situation calls for a discrete random variable, because the data is being counted to represent the sum of two dice.
