The Time for a Professor to Grade a Homework in Statistics

question 50

Multiple Choice

The time for a professor to grade a homework in statistics is normally distributed with a mean of 12.6 minutes and a standard deviation of 2.5 minutes.What is the probability that randomly selected homework will require between 11 and 15 to grade?

• A) 0.4875
• B) 0.7567
• C) 0.5704
• D) 0.9637

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Definitions:

Personality Research

The scientific study aimed at understanding how and why individuals differ in their patterns of thoughts, feelings, and behaviors.

Bivariate Approach

A statistical method that involves the analysis of two variables to understand the relationship between them.

Scientific

Relating to or based on the methods and principles of science, involving systematic observation, experiment, and reasoning to acquire knowledge.

Quantitative

Quantitative refers to a type of information or data that can be measured and expressed numerically, often used in research to quantify behaviors, opinions, or other defined variables.