Examlex
The table below provides summary information about students in a class.The sex of each individual and their age is given. A student is randomly selected from this group,and it is found that the student is older than 25 years.What is the probability that the student is a male?
Standard Deviation
A measure of the amount of variation or dispersion in a set of values.
Normal Model N(73,9.2)
A statistical representation of a normal distribution with a mean of 73 and a standard deviation of 9.2.
Percent
A way of expressing a number as a fraction of 100, representing a part of a whole.
Normal Model
A statistical model describing data distribution that is symmetric, bell-shaped, and characterized by mean and standard deviation.
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