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What's on the worksheet
- A furniture store promises that its truck will arrive during a delivery window that opens at noon and lasts 120 minutes.
- A town library asked its members how far they live from the library.
- A weekend market is open for 8 hours.
- A museum models X, the number of minutes a visitor spends at one exhibit, with a triangular density curve.
- Density curve A is flat at height 14 from 0 to 4 and zero elsewhere.
Teach it first
The free lesson teaches it with worked examples and practice problems.
Density curves: area, mean and median: the lesson ›More Chapter 4 worksheets: Probability and random variables
- 4.1The general addition rule
- 4.2Finding a conditional probability
- 4.3The general multiplication rule
- 4.4Running a simulation and estimating a probability
- 4.5Density curves: area, mean and median
- 4.6The standard normal distribution
- 4.7Normal calculations: areas and percentiles
- 4.8Random variables and probability distributions
- 4.9Cumulative probability
- 4.10Expected value
- 4.11Variance and standard deviation of a random variable
- 4.12Linear transformations of a random variable
- 4.13Combining random variables