Business
Business, 04.05.2021 01:00, liliaboop2012

The market research director for Dotty’s Department Store wants to study women’s spending on cosmetics. A survey of the store’s customers is designed in order to estimate the proportion of women who purchase their

cosmetics primarily from Dotty’s Department Store and

the mean yearly amount that women spend on cosmetics.

A previous survey found that the standard deviation of the

amount women spend on cosmetics in a year is approximately $18.

a. What sample size is needed to have 99% confidence of estimating the population mean amount spent to within

b. How many of the store’s credit card holders need to be

selected to have 90% confidence of estimating the population proportion to within +-0.045?

answer
Answers: 1

Other questions on the subject: Business

image
Business, 21.06.2019 19:00, drey10
Spirula trading inc sublets a part of its offices building to jade inc. for a period of ten years . where will the company disclose this information?
Answers: 3
image
Business, 22.06.2019 01:30, ykluhredd
Side bar toggle icon performance in last 10 qs hard easy performance in last 10 questions - there are '3' correct answers, '3' wrong answers, '0' skipped answers, '1' partially correct answers about this question question difficulty difficulty 60% 42.2% students got it correct study this topic • demonstrate an understanding of sampling distributions question number q 3.8: choose the correct estimate for the standard error using the 95% rule.
Answers: 2
image
Business, 22.06.2019 11:00, andregijoe41
Alocal barnes and noble bookstore ordered 80 marketing books but received 60 books. what percent of the order was missing?
Answers: 1
image
Business, 22.06.2019 15:40, Fire8615
Colter steel has $5,550,000 in assets. temporary current assets $ 3,100,000 permanent current assets 1,605,000 fixed assets 845,000 total assets $ 5,550,000 assume the term structure of interest rates becomes inverted, with short-term rates going to 10 percent and long-term rates 2 percentage points lower than short-term rates. earnings before interest and taxes are $1,170,000. the tax rate is 40 percent earnings after taxes = ?
Answers: 1
Do you know the correct answer?
The market research director for Dotty’s Department Store wants to study women’s spending on cosmeti...

Questions in other subjects:

Konu
Mathematics, 16.03.2020 20:02
Konu
Chemistry, 16.03.2020 20:02