MAFS.912.S-ID.1.4

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Algebra & Modeling - 36%

MAFS.912.

A-APR.1.1 Polynomial Ops
A-APR.4.6 Rational Express
A-CED.1.1 1 var Eq/Ineq
A-CED.1.2 2 var Eq/ineq
A-REI.1.1 Viable Arguments
A-REI.4.11 Function Solutions
A-SSE.2.3 Quadratics & Exp
N-CN.3.7 Complex Solutions

Functions & Modeling - 36%

MAFS.912.

F-BF.1.2 Sequences
F-BF.2.3 Transformations
F-BF.2.4 Inverse Func.
F-IF.2.4 Graph Features
F-IF.3.8 Equiv Expressions
F-LE.1.4 Logarithms
F-TF.1.2 Unit Circle
F-TF.2.5 Amplitude Period
G-GPE.1.2 Parabolas

Statistics, Probability, & the Numbering System - 28%

MAFS.912.

N-CN.1.2 Imaginary #s
N-RN.1.2 Rational Expon.
S-CP.1.1 Prob. Outcomes
S-CP.1.5 Conditional Prob
S-CP.2.7 Prob Add. Rule
S-IC.1.1 Stat. Inferences
S-IC.2.3 Sample Surveys
S-ID.1.4 Mean Stan. Dev.

In Your Text

Pearson Algebra 2 Florida

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What You Need To Know...

MAFS.912.S-ID.1.4 – Use the mean and standard deviation of a data set to fit it to a normal distribution and to estimate population percentages.

The benchmark will be assessed using Multiple Choice Response, Multi-select Response or Open Response.
Items may require students to calculate the z-score and use it to compare a data point to the population or to use the z-score to compare two data points.
Students should be familiar with the z-score table.

Example One

The heights of the male students at a college are approximately normally distributed. Within this curve, 95% of the heights, centered about the mean, are between 62 inches and 78 inches. The standard deviation is 4 inches. Use this information to estimate the mean height of the males. Approximate the probability that a male student is taller than 74 inches. Explain how you determined your answers.

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