The national center for health statistics released the, Ask an Expert

Statistics

The National Center for Health Statistics released the report that stated 70% of adults don't exercise regularly (Associated Press, April 7, 2002). A researcher decided to conduct the study to see whether the National Center for Health Statistics' claim differed on state-by-state basis.

a. Describe the null and alternative hypotheses supposing the intent of the researcher is to determine states that differ from the 70% reported by the National Center for Health Statistics. Using sample results from Wisconsin and California, find out whether the percentage of adults who don't exercise regularly in these states differs from the 70% reported by the National Center for Health Statistics.

H0: p =

Ha: p =

b. Wisconsin sample: 252 of 350 adults didn't exercise regularly. Determine the value of ?p? ¯ in Wisconsin (to 3 decimals)?

c. What is the p-value?

d. California sample: 189 of 300 adults didn't exercise regularly. Determine the value of ?p? ¯ in California (to 3 decimals)?

e. Compute the p-value (to 3 decimals)?

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M91121613

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

Phillips owns 25 of mintor inc a private company in 2007

Phillips owns 25 % of Mintor, Inc. (a private company). In 2007, Mintor had sales of $22,00,000, had net income of $82,000 and Mintor paid $32,000 in dividends. If Phillips uses the Equity Income method, what did Phillip ...

Rework problem 25 from section 41 of your text involving a

Rework problem 25 from section 4.1 of your text involving a car saleswoman. Assume that showing a car is a Bernoulli trial, and each time she shows a car, there is a probability of 0.05 that the customer will buy the car ...

You work for a large company with tens of thousands of

You work for a large company with tens of thousands of retail outlets throughout the world. The average sales at each retail outlet is $2,400,000 per year, with a standard deviation of $600,000. You want to put in place ...

According to the national health interview survey 47 of us

According to the national health interview survey, 4.7% of U.S adults 50 and older have had a total knee replacement. A random sample of 20 adults 50 and older has been selected. Use the Poisson distribution to approxima ...

A student recieves the grades shown below with an a worth 4

A student recieves the grades shown below, with an A worth 4 points, a B worth 3 points, a C worth 2 points, and a D worth 1 point. What is the students grade point average? A in 1 four - credit classes C in 1 three - cr ...

A mental health treatment center wanted to compare group

A mental health treatment center wanted to compare group therapy vs. individual therapy. They are interested in the relationship between treatment type (group, individual) and treatment completion (yes/no). What type of ...

You ask your roommate to mail a letter for you suppose

You ask your roommate to mail a letter for you. Suppose there is a 0.21 probability your roommate will forget to mail it. Should your roommate mail your letter, there is a 0.9 probability that Canada Post will deliver t ...

A child care center wants to determine if there is a

A child care center wants to determine if there is a relationship between how long a child naps in minutes (20,21,22,23,24,etc.,etc) and incidents of aggression (1,2,3,4,etc.,etc). What type of statistical test should be ...

Martin enterprises needs someone to supply it with 109000

Martin Enterprises needs someone to supply it with 109,000 cartons of machine screws per year to support its manufacturing needs over the next five years, and you've decided to bid on the contract. It will cost you $740, ...

According to national data about 14 of american college

According to national data, about 14% of American college students earn a graduate degree. Using this estimate, what is the probability that exactly 24 undergraduates in a random sample of 200 students will earn a colleg ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Statistics and Probability Expert