mathematics teaching 10 ~ 16
Monday, 20 December 2010
2 consecutive heads
keep throwing a coin until you get two heads in a row
how many throws does it take to get two heads in a row?
do this several times
from the experimental data, possibly collected from the class, what is the average expected number of throws until you get 2 heads in a row?
I'm fairly confident that the expected value is 6 and this theoretical value can be compared with the experimental value obtained
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