<h3>
Answers: Choice B and Choice C</h3>
========================================================
Explanation:
The symbol 
or mu represents the population mean, which is a parameter.
The symbol 
or sigma represents the population standard deviation, which is also a parameter. The same goes for the symbol p, without any hat on top, as it is the population proportion.
If something represents a population data item, then it's automatically a parameter. It might help to think both words "population" and "parameter" start with the letter P.
Based on those previous paragraphs, we can rule out choices A, D and E. Those three items are parameters. This leaves <u>choices B and C</u> as our final answers.
or xbar is a sample statistic, and it represents an estimate of the population mean. Similarly, 
or p-hat is the sample proportion and it represents an estimate of the population proportion. These are considered unbiased estimators.
Another example of an unbiased estimator is the variable s which represents the sample standard deviation and it estimates the value of sigma. All of these estimators have one thing in common: they are based on a sample, which in turn tries to predict what the corresponding population value is. In other words, the statistic's job is to estimate the parameter.
Below is a reference table for all of the items mentioned.
The head of maintance at xyz rent a car believes that the mean number of miles between services is 4959 miles, with a standard deviation of 448 miles. what is the probability that the mean of a sample of 43 cars would be less than 5018 miles?
Answer:
Please write in proper english. I don't understand your point/question.
Explanation:
Since the synthesizer is an electronic instrument, oscillation is not a factor in sound generation is a false statement.
<h3>
What is oscillation in sound?</h3>
An oscillation is known to be that which need to be forced of it is in line or in response to an kind of excitation or free vibration.
Hence in the case above, Since the synthesizer is an electronic instrument, oscillation is not a factor in sound generation is a false statement.
Learn more about sound generation from
brainly.com/question/23749502
#SPJ1
