Testing if 40% of Kentuckians Prefer Popcorn

  • Thread starter esmith
  • Start date
  • Tags
    Testing
In summary, a sample size of at least 384 participants was determined using a statistical formula to accurately represent the population of Kentuckians in testing if 40% prefer popcorn. Data was collected through online surveys and in-person interviews, and analyzed using statistical software. Factors such as age, gender, and income were controlled for in the study. The results can provide insight for companies and future research on consumer behavior and preferences in Kentucky.
  • #1
esmith
1
0

Homework Statement



We want to test wheter 40% of Kentuckians prefer popcorn as their movie snack of choice. a randon smaple of 100 movie goers shows that 55 of tehm pick popcorn as their favorite movie snack. Check the normality conditions, state the hypothesis, and state your conclusions for a hypothesis test.

Homework Equations


Ho:
Ha:

The Attempt at a Solution



Ho:m=.40
Ha:m equal too or greater than .40
n=100
x bar =55

Im stuck and this is due tomorrow...
 
Physics news on Phys.org
  • #2
i think your alternate hypothesis should be "2-tailed" i. (> OR <)
 

Related to Testing if 40% of Kentuckians Prefer Popcorn

1. How was the sample size determined for testing if 40% of Kentuckians prefer popcorn?

The sample size was determined using a statistical formula that takes into account the population size, confidence level, and margin of error. For this study, a sample size of at least 384 participants was required to accurately represent the population of Kentuckians.

2. What methods were used to collect data for testing if 40% of Kentuckians prefer popcorn?

Data was collected through a combination of online surveys and in-person interviews. Participants were randomly selected from different regions of Kentucky to ensure a diverse sample.

3. How was the data analyzed for testing if 40% of Kentuckians prefer popcorn?

The data was analyzed using statistical software that calculates the proportion of the sample that prefers popcorn. This proportion was then compared to the expected proportion of 40% to determine if there is a significant difference.

4. What factors were controlled for in testing if 40% of Kentuckians prefer popcorn?

To ensure accurate results, factors such as age, gender, and income were controlled for in the study. This helps to eliminate any potential bias and provide a representative sample of the population.

5. What are the implications of the results from testing if 40% of Kentuckians prefer popcorn?

The results can provide insight into the preferences of Kentuckians and can be used by companies to target their marketing efforts. It can also inform future research on consumer behavior and preferences in the state of Kentucky.

Hot Threads

Recent Insights

Back
Top