Question

In: Statistics and Probability

Leave your answers as P(n, k), C(n, k) How many solutions are there to the following...

Leave your answers as P(n, k), C(n, k)

How many solutions are there to the following equation, if a, b, c, d, e are all
non-negative integers?
a + b + c + d + e = 37

How many solutions are there to the previous equation, if a ≥ 4, and 2 ≤ d ≤ 4 ?

Solutions

Expert Solution

Answer:-

Given that:-

Leave your answers as P(n, k), C(n, k)

How many solutions are there to the following equation, if a, b, c, d, e are all
non-negative integers?
a + b + c + d + e = 37

How many solutions are there to the previous equation, if a ≥ 4, and 2 ≤ d ≤ 4 ?

a+b+c+d+e=37

number of solutions of

are

So, Here

Now, and

for   take

So    

So number of non- negative integer solutions

  

For

  

So

for

So

number of solutions with , and

  


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