Answer:
The standard error of the proportion is 0.112.
Step-by-step explanation:
The standard error of a proportion is given by the following formula:

In which p is the probability of a success and n is the length of the sample.
In this problem
A success is a student defining themselves regular dietary supplement users. Our of 3000 students, 1500 do. So
.
We take a sample of 20 of them, so
.
So

Answer:
11/15 km
Step-by-step explanation:
Simply sum the areas:
2/5 + 1/3 = (6 + 5)/15 = 11/15
Answer:
It has to 4.3 because u divided it from the sum to get the an porportional answer so u had to solve it from a measurement on how many seeds does which the mass revolves around
Step-by-step explanation:
Answer:
10 cups of canberry juice
Step-by-step explanation:
Given that for every 3 cups of punch, he uses 2 cups of cranberry juice.
we need to find the number of canberry juice needed to make 15 cups of punch
3 cup's of punch ---> 2 cups of canberry juice
15 cups's of punch ----> x cups of canberry juice
on cross multiplication we get

x = 10
Therefore we need 10 cups of canberry juice