Performance Check: 1. The mean mass of students in the University of the Cordilleras is 151 pounds and the standard deviation is 15 pounds. Assuming that the masses are normally distributed, find the percentage of students weighing (1) between 119.5 and 155.5 pounds, (2) at least 185.5 pounds. If there are 18, 775 students in the University of the Cordilleras, how many of them weigh between 119.5and 155.5 pounds? at least 185.5 pounds? a. between 119.5 and 155.5 pounds? b. at least 185.5 pounds?
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.
STATS PC 1 & 2
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