1. Which of the following represents a discrete random variable? A. The weight in kilograms of randomly selected Senior High School students. B. The time it takes a student to finish answering the midterm exams. C. The number of patients who experience side effects after taking antibiotics. D. A patient’s body temperature reading in 0C. 2. Which of the following random variables is continuous? A. The number of defective cellular phones in a box of 20. B. The number of raffle tickets sold for a particular event. C. The number of correct answers in 20-item multiple choice test. D. The time required to finish a certain job. 3. An urn contains 5 balls. Each ball is labeled with numbers 0, 1, 2, 3, and 4. A person randomly draws one ball. Let X be the random variable for the number onthe ball. What possible values can be assigned to t
1. Which of the following represents a discrete random variable?
A. The weight in kilograms of randomly selected Senior High School students.
B. The time it takes a student to finish answering the midterm exams.
C. The number of patients who experience side effects after taking antibiotics.
D. A patient’s body temperature reading in 0C.
2. Which of the following random variables is continuous?
A. The number of defective cellular phones in a box of 20. B. The number of raffle tickets sold for a particular
C. The number of correct answers in 20-item multiple choice test.
D. The time required to finish a certain job.
3. An urn contains 5 balls. Each ball is labeled with numbers 0, 1, 2, 3, and 4. A
person randomly draws one ball. Let X be the random variable for the number onthe ball. What possible values can be assigned to the random variable X?
A. X = {1, 2, 3, 4} C. X = {0, 1, 2, 3, 4}
B. X = {0, 2, 4} D. X = {0, 1, 3, 5}
4. Suppose that there are four colored candies in a box, two red and two blue, what is the probability that you will get a red candy in one random picking?
A. 1/4 B. 1/2 C. 1/6 D. 2/3
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