BUSINESS ADMINISTRATION
BUSINESS ANALYTICS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The number of times a student guesses the answers to questions on a certain test
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The amount of gasoline purchased by a customer
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The amount of mercury found in fish caught in the Gulf of Mexico
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The height of water-oak trees
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Detailed explanation-1: -Answer and Explanation: Option A is correct. (The number of times a student guesses the answers to questions on a certain test).
Detailed explanation-2: -Examples of discrete random variables include the number of children in a family, the Friday night attendance at a cinema, the number of patients in a doctor’s surgery, the number of defective light bulbs in a box of ten.
Detailed explanation-3: -The word discrete means countable. For example, the number of students in a class is countable, or discrete. The value could be 2, 24, 34, or 135 students, but it cannot be or 12.23 students.
Detailed explanation-4: -The answer is the gender of each student in a psychology class is an example of a discrete variable.