# Math-Statistics

posted by Ashley

A marketing research company needs to estimate which of two soft drinks college students prefer. A random sample of n college students produced the following 98% confidence interval
for the proportion of college students who prefer drink A: (0.384, 0.424). Identify the point estimate for estimating the true proportion of college students who prefer that drink.

1. PsyDAG

Since the interval would be approximately the mean ± 2.33z, why wouldn't it be .404?

## Similar Questions

1. ### Statistics

A confidence interval was used to estimate the proportion of statistics students that are females. A random sample of 72 statistics students generated the following 90% confidence Interval: (.43, .63). based on the interval above, …
2. ### statistics

In a random sample of 112 State College students, 41 students reported being current smokers. a) Calculate the 95% confidence interval for the proportion of State College students who smoke.
3. ### statistics

In a random sample of 112 State College students, 41 students reported being current smokers. a) Calculate the 95% confidence interval for the proportion of State College students who smoke.
4. ### Statistics

From random sample of 200 college students, 40 students indicated that they smoke cigarettes. Use the information from the sample to calculate a 95% confidence interval for the population proportion of college students that smoke cigarettes …
5. ### Statistics

What percentage of college students are attending a college in the state where they grew up?
6. ### math

random sample of 9600 students. 46% had at least one parent who was a college graduate. Estimate with 99% confidence the proportion of all students who had at least one parent who was a college grad. b) Sample does not include drop …
7. ### math

random sample of 9600 students. Multistage design effect similar to an SRS (for those still in school) 46% had at least one parent who was a college graduate. Estimate with 99% confidence the proportion of all students who had at least …
8. ### Statistics Math

1. What type of car is more popular among college students, American or foreign?
9. ### Statistics

You want to know if there's a difference between the proportions of high school students and college students who read newspapers regularly. out of a random sample of 500 high-school students, 287 say they read newspapers regularly, …
10. ### Statistics

You want to know if there's a difference between the proportions of high school students and college students who read newspapers regularly. out of a random sample of 500 high-school students, 287 say they read newspapers regularly, …

More Similar Questions