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What's on the worksheet
- Each geometric random variable X below counts trials up to and including the first success, with probability of success p on each trial.p = 0.3p = 0.06p = 0.45p = 0.02p = 0.18
- Grace skips stones across a pond, throwing one stone after another.
- In a made-up model, the guinea pig pups born at three farms each have a white coat, independently of the other pups, with probability 14 at farm A,…
- Isaac flies a stunt kite on a gusty beach.
- Elena turns over flat rocks along a creek, one at a time, looking for a salamander.
- Mei, a street photographer, asks strangers one at a time whether she may take their portrait.
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The free lesson teaches it with worked examples and practice problems.
Mean and standard deviation of a geometric random variable: the lesson ›More Chapter 5 worksheets: Binomial and geometric distributions
- 5.1The binomial setting
- 5.2The binomial probability formula
- 5.3Mean and standard deviation of a binomial
- 5.4Shape of a binomial and the normal approximation
- 5.5The geometric distribution
- 5.6Mean and standard deviation of a geometric random variable