Mathematics
Not what you're looking for?
When the means is 70 and the standard deviation is 15 what is the percentage of rates less than 70, what is the relative frequency of rates less than 40, What is the relative frequency of rates less than 100, What is the percentage of rates greater than 85 and what is the percentage of rates between 55 and 85?
Purchase this Solution
Solution Summary
This solution explains how to determine various different percentage of rates based on the mean and standard deviation.
Solution Preview
(a) Percentage < 70 is 50% since 70 is the mean value
(b) 40 = 70 - 30 = 70 - 2(15) = 70 - 2sigma
Relative frequency of rates ...
Purchase this Solution
Free BrainMass Quizzes
Graphs and Functions
This quiz helps you easily identify a function and test your understanding of ranges, domains , function inverses and transformations.
Geometry - Real Life Application Problems
Understanding of how geometry applies to in real-world contexts
Multiplying Complex Numbers
This is a short quiz to check your understanding of multiplication of complex numbers in rectangular form.
Probability Quiz
Some questions on probability
Solving quadratic inequalities
This quiz test you on how well you are familiar with solving quadratic inequalities.