Business, 28.02.2021 04:00 bellagvjh1760

Thirty-seven percent of all Americans drink bottled water more than once a week (Natural resources Defense Council, December 4, 2015). Suppose you have been hired by the Natural Resources Defence Council to investigate bottled water consumption in St. Paul. You plan to select a sample of St. Paulites to estimate the proportion who drink bottled water more than once a week. Assume the popluation proportion of St. Paulites who drink bottled water more than once a week is , the same as the overall proportion of Americans who drink bottled water more than once a week. Use z-table. a. Suppose you select a sample of St. Paulites. Show the sampling distribution of (to 4 decimals).

b. Based upon a sample of St. Paulites, what is the probability that the sample proportion will be within of the population proportion (to 4 decimals).

probability

c. Suppose you select a sample of St. Paulites. Show the sampling distribution of (to 4 decimals).

d. Based upon a smaller sample of only St. Paulites, what is the probability that the sample proportion will be within of the population proportion (to 4 decimals).

probability

e. As measured by the increase in probability, how much do you gain in precision by taking the larger sample in parts (a) and (b) rather than the smaller sample in parts (c) and (d)?

Answers: 3

Show answers

Another question on Business

Business, 21.06.2019 21:00

According to maslow's hierarchy of needs theory, which of the following would be an issue that requires the fulfillment of a lower order need? a)the need for a challenging project at work. b)the need for a promotion at work.c) the need to locate your business in an area with a low crime rate. d)the need for a mentor to you ascend within the company. none of the above

Answers: 3

Answer

Business, 22.06.2019 15:20

Record the journal entry for the provision for uncollectible accounts under each of the following independent assumptions: a. the allowance for doubtful accounts before adjustment has a credit balance of $500. b. the allowance for doubtful accounts before adjustment has a debit balance of $250. c. assume that octoberʼs credit sales were $70,000. uncollectible accounts expense is estimated at 2% of sales. smith, gaylord n.. excel applications for accounting principles (p. 51). cengage textbook. kindle edition.

Answers: 1

Answer

Business, 22.06.2019 18:30

Hilary works at klothes kloset. she quickly the customers, and her cash drawer is always correct at the end of her shift. however, she never tries to "upsell" the customers (for example, by asking if they would like to purchase earrings to go with the shirt they chose or by suggesting a purse that matches the shoes they are buying). give hilary some constructive feedback on her performance.

Answers: 3

Answer

Business, 22.06.2019 19:50

Which of the following would create the most money? the initial deposit is $6,500 and the required reserve ratio is 20 percent. the initial deposit is $3,000 and the required reserve ratio is 10 percent. the initial deposit is $7,500 and the required reserve ratio is 25 percent. the initial deposit is $4,500 and the required reserve ratio is 15 percent.

Answers: 1

Answer

You know the right answer?

Thirty-seven percent of all Americans drink bottled water more than once a week (Natural resources D...

Questions