Which of the following random variables are continuous variables and which are discrete? a) number of pets you have O discrete continuous b) number of ships in Pear Harbor on any given day continuous discrete c) age of a college professor chosen at random O discrete continuous d) amount of time you wait at a train stop continuous discrete e) amound of water your drink on a random day Odiscrete continuous

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A: Step 1: Analyze the problem. Step 2: Check if there's lacking. Step 3: Give a suggestion

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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.