Question 1187568
.
<pre>

The formula and the number are


    P = {{{C[17]^9*0.55^9*(1-0.55)^(17-9)}}} = {{{24310*0.55^9*0.45^8}}} = 0.188256194 = 0.1883 (rounded) = 18.83%.    <U>ANSWER</U>
</pre>

Solved.


-------------------


On binomial distribution, see these Internet sources


https://en.wikipedia.org/wiki/Binomial_distribution


https://www.itl.nist.gov/div898/handbook/eda/section3/eda366i.htm




For binomial distribution probability online calculator (free of charge), see this link


https://stattrek.com/online-calculator/binomial.aspx



///////////////



If you want to see many similar &nbsp;(and different) &nbsp;solved problems on binomial distribution probability, &nbsp;look into the lessons

&nbsp;&nbsp;&nbsp;&nbsp;- <A HREF=https://www.algebra.com/algebra/homework/Probability-and-statistics/Solving-problems-on-Binomial-distribution-manually.lesson>Simple and simplest probability problems on Binomial distribution</A> 

&nbsp;&nbsp;&nbsp;&nbsp;- <A HREF=https://www.algebra.com/algebra/homework/Probability-and-statistics/Typical-binomial-distribution-probability-problems.lesson>Typical binomial distribution probability problems</A> 

&nbsp;&nbsp;&nbsp;&nbsp;- <A HREF=https://www.algebra.com/algebra/homework/Probability-and-statistics/How-to-calculate-binomial-probabilities-using-Technology.lesson>How to calculate Binomial probabilities with Technology (using MS Excel)</A> 

&nbsp;&nbsp;&nbsp;&nbsp;- <A HREF=https://www.algebra.com/algebra/homework/Probability-and-statistics/Solving-problems-on-Binomial-distribution-using-Technology.lesson>Solving problems on Binomial distribution with Technology (using MS Excel)</A> 

&nbsp;&nbsp;&nbsp;&nbsp;- <A HREF=https://www.algebra.com/algebra/homework/Probability-and-statistics/Solving-problems-on-Binom-distr-with-Technology-%28using-online-solver%29.lesson>Solving problems on Binomial distribution with Technology (using online solver)</A> 

in this site.


After reading these lessons, &nbsp;you will be able to solve such problems on your own, 

which is your &nbsp;PRIMARY &nbsp;MAJOR &nbsp;GOAL &nbsp;visiting this forum &nbsp;(I believe).