Frankie calculates that she will need 9.5 yards of wallpaper to decorate her room. The wallpaper she choose has a large pattern so instead she needs 13 yards of that paper. what is the percentage of increase rounded to the nearest percentage, in the amount of wallpaper she needs?

The percentage of increase in the amount of wallpaper she needs = 37%

Step-by-step explanation:

Given: First length of wallpaper = 9.5 yards

Increased length of wallpaper = 13 yards

length increased = (Increased length of wallpaper) - (First length of wallpaper )

= 13 -9.5

= 3.5 yards

The percentage of increase in the amount of wallpaper she needs =

Hence,  the percentage of increase in the amount of wallpaper she needs = 37%

the answer   is 200

step-by-step explanation:

this is a problem about poisson probabilities.   i don't know if you've

already studied poisson distributions, or if you have a place to look

to read more about the subject.  

here's how you can see a poisson distribution coming.   when there are

a lot of events that may happen at any time (or any place), and when

you're counting how many of them happen at a particular time (or a

particular place), and each event is independent of the others, then

the result is a poisson distribution.   this is roughly true for the

chocolate chips; one chip being in a cookie has only a small effect on

the probability that another chip will be in the cookie.

once you know you have a poisson distribution, you know a lot.   there

is only one parameter to a poisson distribution, so if you know the

mean, you know everything.   the form of the distribution is

  probability of n chips = {[e^(-x)]*(x^n)} / (n! )

18

step-by-step explanation:

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