4/10 is equal to 2/5, and 0.4.
2/5 can be found by simplifying the fraction (dividing top and bottom by 2). 0.4 can be found by dividing 4 by 10.
I hope this helps!
Answer:
The mean of the sampling distribution of sample proportions will be 0.2
Step-by-step explanation:
Central Limit Theorem for Proportions:
For a proportion p in a sample of size n, the sampling distribution of the sample proportion will be approximately normal with mean
and standard deviation 
20% of American adults ages 25 and older had never been married.
This means that 
So the mean of the sampling distribution of sample proportions will be 0.2
Answer:
B. 32.154 in²
Step-by-step explanation:
A= 3.14 * r^2
A= 3.14 * 3.2^2
A= 32.154
Answer:
258 ft²
Step-by-step explanation:
This shape is represented as a rectangle with dimensions of 18ft by 21 ft and a portion of it that has been cut out.
Let's find the area of the original rectangle:
Now let's find the area of the part cut out:
- 12 ft x (18ft - 8ft)
- 12 ft x 10ft
- 120 ft²
Subtract the part cut out from the original rectangle:
-Chetan K