We have calculated a confidence interval based upon a sample of n = 200. Now we want to get a better estimate W with a margin of error only one fifth as large. We need a new sample with n at least​

40

11

step-by-step explanation:

32.50-7.50=25

225/25=11

all you have to do is multiply them both to see how many out comes you can put:

3 x 2 = 6

you can make 6 diferent combinations of crusts and toppings.

~batmans wife dun dun