A medical study testing a new drug for treating cooties gave the drug to one group and a placebo to the control group. Given the following table... Positive Effects No Effects Total Drug Placebo 240 56 52 198 Total 10) What percent of patients took the placebo? 11) What is the probability a patient on the drug had positive effects? 12) What is the probability a patient who felt no effects was on the drug?
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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