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Minchanka [31]
2 years ago
14

A surgery has a success rate of 75%. Suppose that the surgery is performed on 4 patients. What is the probability that the surge

ry is successful on exactly 3 patients?
Mathematics
1 answer:
KiRa [710]2 years ago
7 0

0.21094 is the probability that the surgery is successful on exactly 3 patients.

<h3>What is probability?</h3>

It is the branch of mathematics concerning numerical descriptions of how likely an event is to occur, or how likely it is that a proposition is true.

According to the given question,

Let Y = The number of patients who respond yes: Y - Bin (n,p)

Given , n = 4 , p = 0.75 ,  q = 1 - p =  0.25

P (Y = 3) = \left(\begin{array}{ccc}4\\3\\\end{array}\right)  (0.75)^{2}(0.25)^{4-3}  \\             =  0.21094\\\\

The probability that the surgery is successful on exactly 3 patients is 0.21094

Learn more about Probability here:

brainly.com/question/23345093

#SPJ1

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