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Homework Statement
I've uploaded a picture of the question.
I need help in identifying the correct number of trials, probability of success and the X value(number of successes)
Homework Equations
i'm using the binomial distribution function on the calculator but i've attached the formula just in case
The Attempt at a Solution
I used n=7, p=7/15 and X=7 which yields me a probability of 0.00482 which is incorrect. The correct answer is 0.000155 but not sure how.
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