Proportion of three-bedroom houses

Assignment Help Basic Statistics

Reference no: EM131817111

According to the U.S. Statistical Abstract, the proportion of new single-family houses completed in 2003 that had exactly three bedrooms was 0.51. For samples of 30 new single-family houses completed in 2003, the distribution of sample proportion with exactly three bedrooms has mean 0.51, standard deviation 0.09, and a shape that is approximately normal. Find the sample proportion and the z-score for each of these sample counts, and characterize each as having unusually few three-bedroom houses, unusually many three-bedroom houses, or a proportion of three-bedroom houses that is not unusual:

a. 12 of 30 houses have three bedrooms

b. 16 of 30 houses have three bedrooms

c. 27 of 30 houses have three bedrooms

Reference no: EM131817111

Questions Cloud

Repeal an antidiscrimination ordinance : Reverend Fred Phelps "failed in his effort to repeal an antidiscrimination ordinance in an election."8 Final results showed 14,285 of all voters (53%) opposing

Apparently allowed for overlapping categories : a. Which survey apparently allowed for overlapping categories: the one from 1999 or the one from 2004, or both, or neither?

Confidence interval for the proportion : Explain why we cannot use their data to set up a confidence interval for the proportion of all church abuse victims who were male.

Proportion of new single-family houses : According to the U.S. Statistical Abstract, the proportion of new single-family houses completed in 2003 that had exactly three bedrooms was 0.51.

Proportion of three-bedroom houses : According to the U.S. Statistical Abstract, the proportion of new single-family houses completed in 2003 that had exactly three bedrooms was 0.51.

Would you make between marketing and marketing management : Describe an organization or situation that represents what you consider EXCELLENT marketing and relate it to Kotler's "4 Pillars Model" discussed in class.

Proportion of new single-family houses completed : According to the U.S. Statistical Abstract, the proportion of new single-family houses completed in 2003 that had exactly three bedrooms

How does this stakeholder group impact the business : What motivates this stakeholder group to engage with the organization, and why is this motivation valuable for strategic planning?

Variable for number of stories being treated : a. Is the variable for number of stories being treated here as quantitative or categorical?

User Account

All Pages