Question

An article in the Archives of Internal Medicine reported that in a sample of 224 men, 73 had elevated total cholesterol levels (more than 200 milligrams per deciliter). In a sample of 232 women, 44 had elevated cholesterol levels. Can you conclude that the proportion of people with elevated cholesterol levels differs betwen men and women? Use the a= 0.05 level. 

Expert Answer

Want to see the step-by-step answer?

See Answer

Check out a sample Q&A here.

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

See Answer
*Response times vary by subject and question complexity. Median response time is 34 minutes and may be longer for new subjects.
Tagged in
MathStatistics

Hypothesis Testing

Related Statistics Q&A

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

Q: Assume the random variable X has a binomial distribution with the given probability of obtaining a s...

A: Given Datan = 9p = 0.5Required probability is given by

Q: Suppose you flip eight fair coins.   What is the probability of flipping exactly eight heads? What...

A: Binomial distribution:The events that has exactly two possible outcomes (success or failure) follows...

Q: I don't understand how I find the z-score, without a table, the mean, or the standard deviation.

A: Solution: We are given the blow graph; 

Q: for a sample of 150 that has a mean of 6540 and a standard deviation of .89, calculate the 95% confi...

A: It is given that mean and standard deviation are 6,540 and 0.89, respectively.

Q: the distribution of certain test scores  is a nonstandard normal distribution with a mean of 80 and ...

A: Given:Population mean (μ) = 80Population standard deviation (σ) = 3

Q: Use the standard normal distribution (aka z distribution where mu = 0 and sigma = 1) to determine th...

A: From the given information, the mean is 0 and the sigma is 1.

Q: A recent survey revealed that an American's Christmas spending averaged $830. Use this as the popula...

A: From the given information, let us define the random variable X as the amount of spending follows no...

Q: According to scientists, the cockroach has had 300 million years to develop a resistance to destruct...

A: Obtain the critical value at 95% confidence level:It is given that,Sample mean = 10,693/5,000=2.1386...

Q: Statistics Question

A: Hypotheses:Denote μ1, μ2 as the true average number of days spent in the hospital for childbirth, by...