The life of a cycle tyre is normally distributed with mean 350 days and variance 64. It is true that:
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2 marksStatisticsRandom variables and standard distributionsThe normal distributionModerateabout 3 min
DSE 2008 Question 24: Random variables and standard distributions
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This question is on The normal distribution, part of Random variables and standard distributions in Statistics.
The bell curve: standardising, tail probabilities and approximations.
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Question from the DSE 2008 paper. Solutions are TestStop's own. Not affiliated with or endorsed by any examination authority.