The distribution of ages of a sample of CEOS is as follows (From USA Today): Age Frequency 21-30 3 31-40 13 41-50 26 51-60 34 61-70 23 71-up 11 If a CEO is selected at random, find the probability that his or her age is: a) between 31 and 40 b) under 41 c) over 30 and under 51 d) Is this an example of theoretical probability or empirical probability? TI
Percentage
A percentage is a number indicated as a fraction of 100. It is a dimensionless number often expressed using the symbol %.
Algebraic Expressions
In mathematics, an algebraic expression consists of constant(s), variable(s), and mathematical operators. It is made up of terms.
Numbers
Numbers are some measures used for counting. They can be compared one with another to know its position in the number line and determine which one is greater or lesser than the other.
Subtraction
Before we begin to understand the subtraction of algebraic expressions, we need to list out a few things that form the basis of algebra.
Addition
Before we begin to understand the addition of algebraic expressions, we need to list out a few things that form the basis of algebra.
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