NC.M4.SP.3.4
Implement the normal distribution as a probability distribution to determine the likelihood of events occurring.
Example Problems
What is the critical value for constructing a 90% confidence interval?
What is the critical value for constructing a 95% confidence interval?
What is the critical value for constructing a 94% confidence interval?
Khan Academy ResourcesBasic normal calculationsEmpirical ruleCalculating z-scoresNormal distribution: Area between two pointsNormal distribution: Area above or below a pointNormal calculations in reverseInterpret expected valueDevelop probability distributions: Empirical probabilitiesCalculate percentilesDevelop probability distributions: Theoretical probabilitiesMean (expected value) of a discrete random variableQualitative sense of normal distributionsNormal distribution problems: Empirical ruleCalculating percentileComparing with z-scoresFinding z-score for a percentileInterpreting expected valueTheoretical probability distribution example: tablesMean (expected value) of a discrete random variableTheoretical probability distribution example: multiplicationStandard normal table for proportion aboveProbability distributions from empirical dataStandard normal table for proportion between valuesStandard normal table for proportion belowZ-score introductionThreshold for low percentile
1-on-1 AI tutoring aligned to NC.M4.SP.3.4. Instant help for students, real-time insights for teachers.
Used in classrooms by 100,000+ students at Baltimore County, Plano ISD, Deer Valley USD, KIPP, and districts nationwide.
Free for teachers, forever →