Question9: Choose one answer. Which of the following random variables is NOT continuous? 1) Amount of gasoline in a car. 2) Number of goals scored by a hockey team. 3) Time it takes to commute to work. Question10: Choose one answer. The weight of written reports produced in a certain department has a Normal distribution with mean 60 g and standard deviation 12 g. The probability that the next report will weigh less than 45 g is 1) 0.1056 2) 0.1042 3) 0.3944 4) 0.8944

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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Question9: Choose one answer.
Which of the following random variables is NOT continuous?
1) Amount of gasoline in a car.
2) Number of goals scored by a hockey team.
3) Time it takes to commute to work.
Question10: Choose one answer.
The weight of written reports produced in a certain department has a Normal
distribution with mean 60 g and standard deviation 12 g. The probability that
the next report will weigh less than 45 g is
1) 0.1056
2) 0.1042
3) 0.3944
4) 0.8944
Transcribed Image Text:Question9: Choose one answer. Which of the following random variables is NOT continuous? 1) Amount of gasoline in a car. 2) Number of goals scored by a hockey team. 3) Time it takes to commute to work. Question10: Choose one answer. The weight of written reports produced in a certain department has a Normal distribution with mean 60 g and standard deviation 12 g. The probability that the next report will weigh less than 45 g is 1) 0.1056 2) 0.1042 3) 0.3944 4) 0.8944
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