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1 Answer

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Probobality mean for +-1 standard deviation is 0.68.
Probobality mean  for +-2 standard deviation is 0.95.
Probobality mean for +-3 standard deviation is 0.997.

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KenTheStatsMan asked Oct 1, 2018
2,113 views
This is question 1d in the 2B exercises. The answer says the probability is 0 but I count 4 jokers in a 52 card deck, which means the probability is 1/13. Think I misunde...