Consider the following survey of customer's purchases at a coffee shop. Suppose all selections are made randomly, with replacement. Rewrite each problem with the proper notation, then find the desired probability. Pastry No Pastry 18 17 Regular Coffee Decaf Coffee 12 13 a. Find the probability of selecting a single customer who orders decaf coffee. b. Find the probability of selecting a single customer who orders regular coffee or a pastry. c. Find the probability of selecting a single customer who orders both regular coffee and a pastry.
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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