MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Binomial Distribution
Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.
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please help with the following question:

If a procedure meets all of the conditions of a binomial distribution except the number of trials is not​ fixed, then the geometric distribution can be used. The probability of getting the first success on the xth trial is given by
​P(x)equals=p left parenthesis 1 minus p right parenthesis Superscript x minus 1p(1−p)x−1​,
where p is the probability of success on any one trial. Subjects are randomly selected for a health survey. The probability that someone is a universal donor​ (with group O and type Rh negative​ blood) is
0.120.12.
Find the probability that the first subject to be a universal blood donor is the fourth person selected.
The probability is ___? (round to 4 decimal places as needed)
 
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