How many corolla buyers be surveyed for sample percentage

Assignment Help Basic Statistics
Reference no: EM13150172

Toyota provides an option of a sunroof and side airbag package for its Corolla model. This package costs $1400. Assume that prior to offering this option package, Toyota wants to determine the percentage of Corolla buyers who would pay $1400 extra for the sunroof and side airbags. How many Corolla buyers must be surveyed if we want to be 95% confident that the sample percentage is within four percentage points of the true percent all Corolla buyers?

Reference no: EM13150172

Questions Cloud

Calculate the ph of a sodium cyanide solution : Calculate the pH of a sodium cyanide solution that is 0.37M NaCN. The Ka for hydrocyanic acid HCN is 4.00E-10.
Explain how the following impacts the GDP : Explain how the following impacts the GDP: a. the sale of used textbooks back to the bookstore b. the purchase of a famous painting painted in 1890.
Increase in fair value of the investments : What should Quinn report on its 2007 income statement as a result of the increase in fair value of the investments in 2007?
How much heat is required to warm ice : How much heat is required to warm 221 g of ice from -44.9°C to 0.0°C, melt the ice, warm the water from 0.0°C to 100.0°C, boil the water, and heat the steam to 173.0°C?
How many corolla buyers be surveyed for sample percentage : How many Corolla buyers must be surveyed if we want to be 95% confident that the sample percentage is within four percentage points of the true percent all Corolla buyers?
Compute the number of monomer units : Calculate the number of [CH2CHOH] monomer units in the average strand of PVA (78,000 g/mol).
Adjusting entry necessary as a result of the physical count : Peter Kalle Company had the following account balances at year-end: cost of goods sold $55,243; merchandise inventory $15,153; operating expenses $29,503; sales $105,181; sales discounts $1,273; and sales returns and allowances $1,546. A physical ..
Which situations violate hardy-weinberg equilibrium : What tends to happen to genetic diversity after a bottle neck or founder event? Is it predictable?
Adjusted tax basis for partnership interest : What is Desmond's adjusted tax basis for his partnership interest immediately after the partnership is formed? What is the partnership's adjusted basis for the property contributed by Desmond?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Compute the slope and y-intercept of the straight line

what is the equation that predicts mortgage amount from interest rate? Compute the slope of the straight line. compute the y-intercept of the straight line.

  Testing hypothesis about mean

The manufacturer of an airport baggage scanning machine claims it can handle an average of 530 bags per hour.

  Comparisons involving proportions and test of independence

Does age make a difference in the amount of savings a worker feels is needed to be secure at retirement? Suppose 210 workers in the 25-33 age category and 176 workers in the 34-52 age category were involved in this study.

  Percentage of sample means

A final exam in Statistics has a mean of 73 with a standard deviation of 7.73. Assume that a random sample of 24 students is selected and the mean test score of the sample is computed. What percentage of sample means are less than 70?

  Developing appropriate hypotheses

Develop appropriate hypotheses such that rejection of H0 will support the researcher's contention.

  Interpretation of correlation coefficient

Recent medical research demonstrated there is a strong (r=.60) correlation between the excessive weight and incidences of breast cancer. How can we interpret this statement?

  Confidence interval for the population average

Find out 90% confidence interval for the population average µ of the percentage of hospitals providing at least some charity care.

  Probability problem of big ten university

An alcohol awareness task force at Big-Ten university sampled 20 students after the midterm to ask them whether they went bar hopping the weekend before the midterm or spent the weekend studying

  Plan to return and the average amount spent

Several questions will be asked but the main outcome measure of interest will be the percentage of customers who were completely satisfied and plan to return and the average amount spent.

  Correlation coefficient random sample

Describe how you would develop a random sample from among students.

  Confidence interval of the true proportion of adult

A U.S. Travel Data Center survey of 1500 adults found that 42% of respondents stated that they favor historical sites as vacations. Find the 99% confidence interval of the true proportion of adults who favor visiting historical sites as vacations.

  Difference in levels of self-esteem

What statistical test did the researchers use to determine if there was a statistically significant difference in levels of self-esteem between the boys and the girls?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd