It’s 18
If they have to be equal, every vase has to have a yellow flower therefore if you had 1 yellow flower and 1 white flower (the lowest possible equal combination) then you can only have 18 groups otherwise you would have an equal number in each case
The moment generating function (mgf) of y is given by

Since the momoent generating function of x is given by

When p tends to 0, we have

Applying L'Hopital's rule we have:

This shows that y converges to <span>a chi squared random variable with 2r degrees of freedom</span>.
Answer:
9.777777778
Step-by-step explanation:
7/9 written as a decimal is 0.777777778 when we add this on to the whole number 9, we get 9.777777778.
hope this helps!
Subtracting the functions
2,0-1,-2-----(1,-2)