Binomial Probability Formula (Example 3)

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This video shows how to use binomial formula for probability.
Initial problem is the following: suppose we know that the probability that TV has the hidden defect is 0.2. The store receives a total of 20 TVs. What will happen more likely: getting 2 or 3 defected TVs in a set of 20?

Math Help: Statistics and Probability

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I like worked explanation w commentary. thanks for these (:

FuzzyAason
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You should explain how You got the results by showing all the calculations

kennykenzo
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hi, I think there is a mistake at the end of the calculation, the final result is 0, 21 in the second

peaceharmony