Topics โ€บ Statistics โ€บ Normal Probability Calculations Using z-tables
Statistics ยท EDA

Normal Probability Calculations Using z-tables

A bar graph shows numbers as bars. Taller bar = bigger number.

StatisticsCommon Core SP-2.BEDAVerified correct โœ“

Worked examples

A normal distribution has mean ฮผ = 104 and standard deviation ฯƒ = 8. Find P(X < 108) using the standard normal table. Give your answer as a decimal rounded to 4 decimal places.
Answer: 0.6915
A normal distribution has mean ฮผ = 102 and standard deviation ฯƒ = 5. Find P(X < 112) using the standard normal table. Give your answer as a decimal rounded to 4 decimal places.
Answer: 0.9772

Every problem on Pounce is generated and checked by code โ€” never a wrong answer key.

Master Normal Probability Calculations Using z-tables

Code-verified problems at exactly the right level, explained the way your kid learns.

Start your free trial ๐Ÿพ

Build up to this

Standardized Scores (z-scores) โ€” Position Within a DistributionNormal Distribution Probability Calculations

More Statistics topics

Frequency Tables โ€” Relative Frequency and Marginal DistributionsCompare Distributions โ€” Shape, Center, Spread, and Outliers (SOCS)Dot Plots and Histograms โ€” Construct and InterpretBoxplots and the Five-Number SummaryMean and Standard Deviation โ€” Compute and InterpretStandardized Scores (z-scores) โ€” Position Within a DistributionNormal Distribution โ€” The 68-95-99.7 Empirical RuleFind Values from Percentiles โ€” Inverse Normal