At the time she was hired as a server at the Grumney Family Restaurant, Beth Brigden was told, “You can average $84 a day in tips.” Assume the population of daily tips is normally distributed with a standard deviation of $3.51. Over the first 46 days she was employed at the restaurant, the mean daily amount of her tips was $86.54. At the 0.10 significance level, can Ms. Brigden conclude that her daily tips average more than $84? a. State the null hypothesis and the alternate hypothesis.

multiple choice 1
H0: μ ≥ 84; H1: μ < 84
H0: μ >84; H1: μ = 84
H0: μ ≤ 84; H1: μ > 84
H0: μ = 84; H1: μ ≠ 84

b. State the decision rule.

multiple choice 2
Reject H0 if z > 1.28
Reject H1 if z < 1.28
Reject H1 if z > 1.28
Reject H0 if z < 1.28

c. Compute the value of the test statistic. (Round your answer to 2 decimal places.)

Thirty years ago daniel bought a plot of land for $50,000 when the cpi was 50. now the cpi is 180 and he sold the land for $180,000. what issue might inflation cause for daniel?

Symantec corp., located in cupertino, california, is one of the world's largest producers of security and systems management software. the company's consolidated balance sheets for the 2009 and 2008 fiscal years included the following ($ in thousands): current assets: receivables, less allowances of $21,766 in 2009 and $24,089 in 2008 $ 838,010 $ 758,700 a disclosure note accompanying the financial statements reported the following ($ in thousands): year ended 2009 2008 (in thousands) trade accounts receivable, net: receivables $ 859,776 $ 782,789 less: allowance for doubtful accounts (8,938) (8,990) less: reserve for product returns (12,828) (15,099) trade accounts receivable, net: $ 838,010 $ 758,700 assume that the company reported bad debt expense in 2009 of $2,000 and had products returned for credit totaling $3,230 (sales price). net sales for 2009 were $6,174,800 (all numbers in thousands).required: what is the amount of accounts receivable due from customers at the end of 2009 and 2008? what amount of accounts receivable did symentec write off during 2009? what is the amount of symentec’s gross sales for the 2009 fiscal year? assuming that all sales are made on a credit basis, what is the amount of cash symentec collected from customers during the 2009 fiscal year?

The questions of economics address which of the following ? check all that apply