3 years ago

find the probability of at least 3 successes in a 3 trials of a binomial experiment i which the probability of successe is 50%

1 answer:

7 0

each trial is independent so do

.5 x .5 x .5 or .5^3

.125 is the probability.

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$\text{Hey there!}$

$\text{If e = 2 then replace the e in the equation to 2}$

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He'll have ten left over if each student in year 11 has one :) Hope this helps!

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