Question
Asked Mar 16, 2019
44 views

According to a recent​ census,16% of the people in the United States are of Hispanic origin. One county supervisor believes her county has a different proportion of Hispanic people than the nation as a whole. She looks at their most recent survey​ data, which was a random sample of 402 county​ residents, and found that 49 of those surveyed are of Hispanic origin.

 

What are the appropriate conditions for a hypothesis test?

check_circle

Expert Answer

Step 1

Hypotheses:

Denote P as the true population proportion of people in United States of Hispanic origin.

Based on the recent census, it is said that 16% of the people in United States are of Hispanic origin. That is, P = 0.16.

In the most recent survey data, looked by the supervisor of a country, it is known that among a random sample of 402 country residents 49 are of Hispanic origin.

The hypothesis to be tested using the sample observations is:

H0 : P = 0.16, that is, the true population proportion of people in United States of Hispanic orig...

Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour.*

See Solution
*Response times may vary by subject and question.
Tagged in
MathStatistics

Hypothesis Testing

Related Statistics Q&A

Find answers to questions asked by student like you
Show more Q&A
add
question_answer

Q: Consider a drug that is used to help prevent blood clots in certain patients. In clinical trials, am...

A: Test statistic calculation:The test hypotheses are:Null hypothesis:H0: p = 0.03, that is, 3% in the ...

question_answer

Q: Number 2 Please, Explain shortcut with TI84 if applicable

A: Given sample size n = 36Sample mean = 44Sample standard deviation = 5.2Level of significance = α = 0...

question_answer

Q: What’s the mean annual return of the S&P 400 Midcap Index over the past 7 years?  What’s the sta...

A: Hello there! there are more than three sub parts in the given question. According to our policies we...

question_answer

Q: Monica takes one hour to wash a car and Hilary takes one hour to wash a car.  If they work together,...

A: Let Monica and Hilary can complete the work in x hours if they work together.Washing a car can be de...

question_answer

Q: Use this for 11-12: A student club consists of 10 girls and 10 guys. A committee of 8 is to be selec...

A: Combination Rule:A combination is a selection of all or part of a set of objects, without regard to ...

question_answer

Q: If a given line has a negative slope, then what is the sign of the slope of the line that is perpend...

A: Relationship between slopes of two perpendicular straight lines:The slopes of two lines, which are p...

question_answer

Q: Which is not one of the major assumptions typically associated with parametric tests of significance...

A: Introduction:Some of the major requirements (though not the only requirements and may vary from one ...

question_answer

Q: A group of students decide to participate in a national strength test. Assume a normal distribution ...

A: Given mean number of students participated in national strength test = 580Standard deviation = 72.5T...

question_answer

Q: A researcher wants to investigate whether mindfulness training improves ability for employees to not...

A: A dependent variable is a variable which is being tested and measured in any scientific experiment.