Reference no: EM131444585
According to data, a particular brand of cigarettes contain an average of1.8milligrams of nicotine. An advocacy group commissions an independent test to see if the mean nicotine content is higher than the industry laboratory claims.(a) What areH0andHa?
H0: μ = 1.8 mg; Ha: μ > 1.8 mg H0: μ = 1.8 mg; Ha: μ ≠ 1.8 mg H0: μ = 0.0 mg; Ha: μ > 0.0 mg H0: μ < 0.0 mg; Ha: μ = 0.0 mg H0: μ > 1.8 mg; Ha: μ = 1.8 mg
(b) Suppose that the test statistic isz=2.36. Is this result significant at the 5% level?
No, because z < 1.645 and P > 0.05.No, because z > 1.645 and P > 0.05.Yes, because z > 1.645 and P < 0.05.Yes, because z < 1.645 and P < 0.05.Yes, because z > 1.645 and P > 0.05.
(c) Is the result significant at the 1% level?
No, because z < 2.326 and P > 0.01.No, because z > 2.326 and P > 0.01.Yes, because z > 2.326 and P < 0.01.Yes, because z < 2.326 and P < 0.01.No, because z > 2.326 and P > 0.01.
|
Proportion of residents in neighborhood
: Provide a 95% confidence interval for the true proportion of residents in this neighborhood who would be interested in purchasing organic coffee.
|
|
Sales goes to pay for interest expense
: Bethesda Water Company Income Statement for 2016 Sales $80,005 Cost of Goods Sold $55,124 Depreciation $15,000 EBIT $9,881 Interest Expense $7,900 EBT $1,981 Taxes $626 Net Income $1,355 Approximately ______ of each $1.00 in sales goes to pay for int..
|
|
Calculate the amount of the operating cash flow
: You are given the following information for Pawl’s Widget Co.: interest expense = $1,460; sales = $52,200; costs = $38,600; dividends paid = $985; tax rate = 40 percent; addition to retained earnings = $2,420. Calculate the amount of the operating ca..
|
|
How much is the amount of the common stock
: The following information is given for Alaskan Orange Corp. as of December 31, 2015: accumulated retained earnings = $4,776,000; tangible net fixed assets = $5,290,000; notes payable = $170,000; cash = $212,000; accounts payable = $277,000; patents a..
|
|
Particular brand of cigarettes contain an average
: According to data, a particular brand of cigarettes contain an average of1.8milligrams of nicotine. An advocacy group commissions an independent test to see if the mean nicotine content is higher than the industry laboratory claims.(a) What areH0a..
|
|
School aged children and is unrelated to cleanliness
: Lice are a pesky problem for school aged children and is unrelated to cleanliness. The lifetimes of lice that have fallen off the scalp onto bedding is approximatley normally distributed with a mean of 2.2 days and a standard deviation of 0.4 days..
|
|
Bank required by law to report to potential borrowers
: Tai Credit Corp. wants to earn an effective annual return on its consumer loans of 14 percent per year. The bank uses daily compounding on its loans. What interest rate is the bank required by law to report to potential borrowers?
|
|
Oxygen consumption during periods
: The reduction of a person's oxygen consumption during periods of transcendental meditation may be looked upon as a random variable having the normal distribution with mean 38.6 cc per minute and standard deviation of 6.5 cc per minute.
|
|
Sufficient funds to pay cash for entire expansion project
: Winston Enterprises would like to buy some additional land and build a new factory. The anticipated total cost is $169.47 million. The owner of the firm is quite conservative and will only do this when the company has sufficient funds to pay cash for..
|