kaopelt1563 kaopelt1563
  • 04-01-2018
  • Mathematics
contestada

What is the expected number of heads that come up when a fair coin is flipped 10 times?

Respuesta :

mathmate
mathmate mathmate
  • 04-01-2018
This is a binomial distribution with a probability of success = 0.5 (fair coin).
n=10
so 
mean = E[x] = np =10*0.5 =5
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