Šuppose the monthly charges for cell phone plans are normally distributed with mean u= $57 and standard deviation a =$17. Juestion Help (a) Draw a normal curve with the parameters labeled. (b) Shade the region that represents the proportion of plans that charge less than $40. (c) Suppose the area under the normal curve to the left of X = $40 is 0.1587. Provide an interpretation of this result. (a) Choose the correct graph below. OB. Oc. OD. 23 40 57 23 57 91 40 57 74 57 74 91
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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