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Study Guide: Probability Distributions, Normal Distributions, and Confidence Intervals (Chapters 4-6)

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Discrete Random Variables

  • Guided course
    Expected Value (Mean) of Random Variables
    04:14
  • Guided course
    Intro to Random Variables & Probability Distributions
    07:09
  • Guided course
    Variance & Standard Deviation of Discrete Random Variables
    04:48

Binomial Distribution

  • Guided course
    Finding Binomial Probabilities Using TI-84 Example 1
    03:33
  • Guided course
    Finding Binomial Probabilities Using TI-84 Example 2
    04:20
  • Guided course
    Mean & Standard Deviation of Binomial Distribution
    03:28

Standard Normal Distribution

  • Guided course
    Z-Scores from Probabilities
    08:50
  • Guided course
    Probabilities Between Two Values
    03:50
  • Guided course
    Finding Standard Normal Probabilities using z-Table
    09:47

Probabilities & Z-Scores w/ Graphing Calculator

  • Guided course
    Probability From Given Z-Scores - TI-84 (CE) Calculator
    07:09
  • Guided course
    Z-Scores From Given Probability - TI-84 (CE) Calculator
    06:31

Non-Standard Normal Distribution

  • Guided course
    Finding Z-Scores for Non-Standard Normal Variables Example 1
    06:21
  • Guided course
    Finding Values of Non-Standard Normal Variables from Probabilities
    04:05
  • Guided course
    Finding Z-Scores for Non-Standard Normal Variables
    03:17

Sampling Distribution of the Sample Mean and Central Limit Theorem

  • Guided course
    Central Limit Theorem Example 1
    02:33
  • Guided course
    Central Limit Theorem
    05:14
  • Guided course
    Sampling Distribution of Sample Mean
    06:53

Introduction to Confidence Intervals

  • Guided course
    Critical Values: z Scores
    04:46
  • Guided course
    Introduction to Confidence Intervals
    06:33

Confidence Intervals for Population Mean

  • Guided course
    Finding t-Values Using a TI-84
    05:47
  • Guided course
    Critical Values: t-Distribution
    05:50
  • Guided course
    Finding Confidence Intervals Using TI-84
    04:30

Determining the Minimum Sample Size Required

  • Guided course
    Determining the Minimum Sample Size Required
    06:51

Confidence Intervals for Population Means - Excel

  • Guided course
    Finding Confidence Intervals for Means (Sigma Unknown)
    06:50
  • Guided course
    Finding Confidence Intervals for Means (Sigma Known)
    06:12
  • Guided course
    Finding Confidence Intervals for Means (Sigma Known) Example 1
    06:16

Confidence Intervals for Population Proportion

  • Guided course
    Constructing Confidence Intervals for Proportions Example 1
    06:38
  • Guided course
    Finding the Minimum Sample Size Needed for a Confidence Interval
    04:08
  • Guided course
    Constructing Confidence Intervals for Proportions Example 2
    04:24