The answer is 117 inches^3
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Point estimate for the difference between two population proportions is the difference between the two sample proportions, written as:

and the standard deviation is given by

When np and n(1-p) is greater than 5, then the sampling distribution is approximately normal and we can use standard normal methods.
Thus, the propability of a test <span>for the difference between two population proportions is given by

</span>
Answer:
2a² + 2b²
Step-by-step explanation:
(a - b)² + (a + b)² ← expand both factors using FOIL
= a² - 2ab + b² + a² + 2ab + b² ← collect like terms
= 2a² + 2b²
I'm pretty sure it is zero or five.
Answer: i try my best to do
Step-by-step explanation: