Q. 2. Identify each variable as discrete or continuous a. Among 500,000 microcom
ID: 3040527 • Letter: Q
Question
Q. 2. Identify each variable as discrete or continuous
a. Among 500,000 microcomputer chips made by Motorola, a number of
them found to be defective
b. The weight of a Ford Taurus sedan
c. The number of SAT scores recorded as perfect scores last year
d. Among 200 consumers surveyed, a number of them who recognize the
Campbell’s Soup brand name
e. Upon completion of a diet and exercise program, measurement of
weight of each participant
f. Radar on Creek Road indicates the speed when a driver is ticketed for
speeding
h. The number of people voted in the last presidential election in each
state
Explanation / Answer
A continuous variable is a variable whose value is obtained by measuring. A random variable is avariable whose value is a numerical outcome of a random phenomenon. A discrete random variable X has a countable number of possible values.
Based on this definition
a. This one is discrete as number of defective is countable.
b. Weight is obtained by measuring
c. SAT scores are discrete because there are only so many values that can be obtained on a test.
d. Discrete as it is countable
e. Measurable so countinous
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.