Question

microfracture knee surgery has a 75% chance of success on patients with degenerative knees. The surgery is performed on 5 patients. Find the probability of the surgery being successful on less than 3 patients

Here is the easiest way to do this problem.

Use a binomial probability table.

n = 5
x = 0, 1, 2
p = .75

Add P(0), P(1), and P(2). This will be your probability.


I hope this helps.

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