Objective
In this challenge, we learn about binomial distributions. Check out the Tutorial tab for learning materials!
Task
The ratio of boys to girls for babies born in Russia is . If there is child born per birth, what proportion of Russian families with exactly children will have at least boys?
Write a program to compute the answer using the above parameters. Then print your result, rounded to a scale of decimal places (i.e., format).
Input Format
A single line containing the following values:
1.09 1
If you do not wish to read this information from stdin, you can hard-code it into your program.
Output Format
Print a single line denoting the answer, rounded to a scale of decimal places (i.e., format).