Answer:
The answer is E. Impossible to determine
Step-by-step explanation:
Normally, you would find the Confidence interval of a normal sample by using
X(-+) Z* Sigma/n
Where x is the mean, sigma the standard deviation n the size of the sample and z the value determined by your confidence interval size of 95%
.However, this approximation of a confidence interval may only be used for a sample if the number of observations is at least 30 or above. When we have less observations than 30 we must use the standard deviation of the populations. But we only have a sample standard deviation so its not adequate or possible to determine CI the true mean of the population with such a small sample size.
Answer:
Step-by-step explanation:
You can't see the diagram for 27. We do not know what the entire question consists of.
26
This is a calculator question. Your calcualator has a ^ or y^x or x^y key.
To solve this problem, use one of these keys.
225 y^x 0.5 = 15 There are two answers: - 15 and 15. The question only wants 15.
If you repost 27, I'll come back and do it.
Answer:
For the quadratic trinomial the following formula
, where are trinomial roots, holds.
1. For trinomial find the roots
2. The factoring form is
Answer: correct option is B.
Step-by-step explanation:
Answer:
i think it's the third one
